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12v alarm siren

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Home / Car Hire/ Car Rental / 12v alarm siren refurbished & used for sale | For Sale UK
Wired loud 12v mini alarm - wired,

Wired loud 12v mini alarm - wired,

£6.95
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Dc12v 120db mini loud wired - mini,

Dc12v 120db mini loud wired - mini,

£13.49
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Heavy duty reversing alarm - heavy,

Heavy duty reversing alarm - heavy,

£14.99
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12v battery backup - battery, siren

12v battery backup - battery, siren

£13.99
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100w 12v tone sound car - 12v,

100w 12v tone sound car - 12v,

£8.00
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100w 12v tone sound - 100w, 7

100w 12v tone sound - 100w, 7

£11.00
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2pcs 12v piezo buzzer alarm - buzzer,

2pcs 12v piezo buzzer alarm - buzzer,

£3.75
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Car reverse siren horn backup - car,

Car reverse siren horn backup - car,

£8.97
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12v tone siren emergency - 7,

12v tone siren emergency - 7,

£10.69
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Universal 12v motor driven air - universal,

Universal 12v motor driven air - universal,

£7.40
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12v led security alarm - dc,

12v led security alarm - dc,

£5.00
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12v 120db mini loud - 12v,

12v 120db mini loud - 12v,

£3.60
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12v 24v truck vehicles - truck, car

12v 24v truck vehicles - truck, car

£13.49
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Universal 12v motor driven - 12v,

Universal 12v motor driven - 12v,

£13.49
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12v 120db battery - 12v, backup

12v 120db battery - 12v, backup

£13.29
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12v battery backup - backup, siren

12v battery backup - backup, siren

£12.82
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12v tone sound - 12v, car

12v tone sound - 12v, car

£9.12
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626 siren horn alarm - es-626,

626 siren horn alarm - es-626,

£4.97
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100w 12v tone - tone, car

100w 12v tone - tone, car

£10.79
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12v 120db mini - 120db, loud

12v 120db mini - 120db, loud

£3.39
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Tone 12v 100w sound car - 7,

Tone 12v 100w sound car - 7,

£12.99
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Wired strobe siren - wired, sound

Wired strobe siren - wired, sound

£4.20
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2pcs 12v piezo buzzer alarm - 12v,

2pcs 12v piezo buzzer alarm - 12v,

£2.99
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12v 30w car truck motorcycle - 12v,

12v 30w car truck motorcycle - 12v,

£7.59
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Outdoor siren indoor - outdoor, siren,

Outdoor siren indoor - outdoor, siren,

£13.00
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12v tone 105db - 12v, loud

12v tone 105db - 12v, loud

£8.73
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Tone 12v 100w - tone,

Tone 12v 100w - tone,

£11.00
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Siren tone for - 1, alarm

Siren tone for - 1, alarm

£13.95
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Wired loud alarm - loud,

Wired loud alarm - loud,

£10.39
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12v 120db mini - 120db, wired

12v 120db mini - 120db, wired

£13.49
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12v wired alarm siren - wired,

12v wired alarm siren - wired,

£13.49
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Universal 12v 120db battery - 12v,

Universal 12v 120db battery - 12v,

£13.59
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12v alarm horn - horn, siren

12v alarm horn - horn, siren

£7.54
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Car truck reverse warning - car,

Car truck reverse warning - car,

£12.78
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Car truck reverse warning - car,

Car truck reverse warning - car,

£11.00
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12v led security alarm - dc,

12v led security alarm - dc,

£4.89
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12v sound loud car van - 12v,

12v sound loud car van - 12v,

£10.99
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Outdoor alarm siren and - outdoor,

Outdoor alarm siren and - outdoor,

£34.00
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Dc12v 120db mini loud - dc12v,

Dc12v 120db mini loud - dc12v,

£13.49
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12v siren for car alarms - for,

12v siren for car alarms - for,

£14.95
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12v battery backup siren for - battery,

12v battery backup siren for - battery,

£16.95
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12v 130db wireless - 12v, electronic

12v 130db wireless - 12v, electronic

£17.99
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Electronic buzzer alarm - electronic,

Electronic buzzer alarm - electronic,

£10.08
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Universal 12v motor driven - motor, air

Universal 12v motor driven - motor, air

£7.49
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Car truck warning alarm - car, siren

Car truck warning alarm - car, siren

£16.39
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Wired loud alarm - loud, siren

Wired loud alarm - loud, siren

£12.99
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Car electronic alarm - electronic, 12v

Car electronic alarm - electronic, 12v

£10.44
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12v siren alarm - 12v,

12v siren alarm - 12v,

£12.99
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Universal 12v motor driven - universal, air

Universal 12v motor driven - universal, air

£7.90
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12v 130db wireless - 130db,

12v 130db wireless - 130db,

£22.99
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100w 12v car warning - 100w, 7

100w 12v car warning - 100w, 7

£13.49
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Siren 6tone for car - 6tone,

Siren 6tone for car - 6tone,

£14.95
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100w 12v car truck fire - truck,

100w 12v car truck fire - truck,

£11.00
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100w 12v tone sound - 100w,

100w 12v tone sound - 100w,

£10.88
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12v 120db mini loud - loud, wired

12v 120db mini loud - loud, wired

£3.44
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Universal 12v motor driven air - 12v,

Universal 12v motor driven air - 12v,

£7.44
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100w sound 12v - 7, alarm

100w sound 12v - 7, alarm

£13.69
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105db backup beeper warning - beeper,

105db backup beeper warning - beeper,

£10.94
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New car alarm horn - horn, 30w

New car alarm horn - horn, 30w

£8.54
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Wired loud alarm - horn, 110db

Wired loud alarm - horn, 110db

£10.80
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12v high water level - 12v,

12v high water level - 12v,

£18.24
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Miniature piezo siren - siren, 12v

Miniature piezo siren - siren, 12v

£5.49
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12v 120db mini loud - 120db,

12v 120db mini loud - 120db,

£3.50
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12v 120db mini - mini, wired

12v 120db mini - mini, wired

£5.99
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12v 130db wireless electronic - wireless,

12v 130db wireless electronic - wireless,

£19.21
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12v 120db mini - dc, wired

12v 120db mini - dc, wired

£5.95
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House mini indoor wired - house,

House mini indoor wired - house,

£2.99
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Strobe light siren alarm - strobe, with

Strobe light siren alarm - strobe, with

£5.44
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Car alarm siren horn megaphone - alarm,

Car alarm siren horn megaphone - alarm,

£11.25
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112db waterproof car - car, reversing

112db waterproof car - car, reversing

£13.49
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Outdoor alarm siren - outdoor,

Outdoor alarm siren - outdoor,

£32.10
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120db car battery - car,

120db car battery - car,

£12.82
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12v 120db red - 12v, alarm

12v 120db red - 12v, alarm

£8.51
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120db loud hand - loud,

120db loud hand - loud,

£13.49
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Wired loud alarm horn 110db - loud,

Wired loud alarm horn 110db - loud,

£10.45
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Micromark mm23012 zone - micromark,

Micromark mm23012 zone - micromark,

£34.99
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100w 12v tone sound - 100w, 7

100w 12v tone sound - 100w, 7

£7.89
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Tone siren emergency alarm - 7,

Tone siren emergency alarm - 7,

£14.81
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12v 120db mini loud wired - 12v,

12v 120db mini loud wired - 12v,

£4.06
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12v siren for - for, car

12v siren for - for, car

£13.95
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Sound tone loud vip horn - loud,

Sound tone loud vip horn - loud,

£11.00
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12v red motor driven - red, air

12v red motor driven - red, air

£7.54
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Kerui wireless burglar alarm - kerui,

Kerui wireless burglar alarm - kerui,

£29.99
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Wired strobe siren 120db sound - wired,

Wired strobe siren 120db sound - wired,

£4.80
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Loud electric motor driven - loud,

Loud electric motor driven - loud,

£7.97
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Car reverse alarm horn warning - car,

Car reverse alarm horn warning - car,

£6.84
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100w 12v tone - 7, sound

100w 12v tone - 7, sound

£11.00
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12v 100w sound loud car - sound, single

12v 100w sound loud car - sound, single

£11.97
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12v 100w tone - 100w, sound

12v 100w tone - 100w, sound

£10.99
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3am 922 000 971 hella - 000-971,

3am 922 000 971 hella - 000-971,

£19.49
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100w 12v tone sound - tone, car

100w 12v tone sound - tone, car

£10.95
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Piezo siren 12v - sounder, alarm

Piezo siren 12v - sounder, alarm

£12.02
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12v sound loud - 12v,

12v sound loud - 12v,

£11.00
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120db car vehicle alarm - 120db,

120db car vehicle alarm - 120db,

£11.00
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120db battery backup siren - battery,

120db battery backup siren - battery,

£13.59
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Siren 1tone for - 1tone,

Siren 1tone for - 1tone,

£8.08
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📊96 listings · from £2.99 · avg £11.44
⚠️ These listings were last updated more than 23 days ago. Search for fresh listings

Browse 96 12v alarm siren listings currently in our index. Prices range from £2.99 to £34.99, with an average of £11.44. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 12v alarm siren →

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Everything you need to know about 12v alarm siren

Whether you are looking for a brand-new or second-hand 12v alarm siren, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £2.99, while premium listings can reach £34.99 — giving you a wide budget spread to work with. The average price of £11.44 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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