Home security alarm systems
Home security alarm systems for sale on Ireland's largest auction and classifieds sites
Wireless gsm alarm burglar - wireless, - £89.99
Siren output 500ma • Support external wireless • Main interface status - Free postage - New and Used
Siren output 500ma • Support external wireless • Main interface status - Free postage - New and Used
Kerui wireless security - kerui, - £28.31
Remote key fobs • Wireless pir motion • Detector battery host - Free postage - New and Used
Remote key fobs • Wireless pir motion • Detector battery host - Free postage - New and Used
Easymaxx security mat with - easymaxx, - £15.95
Only long cable • Connects sensor mat • Alarm siren allows - Free postage - New and Used
Only long cable • Connects sensor mat • Alarm siren allows - Free postage - New and Used
Bike alarm security - bike, - £11.99
Brand new boxed • Next day dispatched • Keep your bike - Free postage - New and Used
Brand new boxed • Next day dispatched • Keep your bike - Free postage - New and Used
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Wireless door alarm - alarm, shed - £6.99
Instant when switch • Instan state enter • Password turn function - Free postage - New and Used
Instant when switch • Instan state enter • Password turn function - Free postage - New and Used
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48 listings · from £4.74 · avg £37.28
⚠️ These listings were last updated more than 19 days ago.
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Browse 48 home security alarm systems listings currently in our index. Prices range from £4.74 to £236.24, with an average of £37.28. 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 home security alarm systems →
Yale wireless shed - yale, - £12.00
Shed garage alarm • White saa5015 simple • Install can wall - Free postage - New and Used
Shed garage alarm • White saa5015 simple • Install can wall - Free postage - New and Used
Wireless pir motion sensor - motion, - £6.49
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
Wireless pir motion sensor - wireless, - £12.99
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
Wireless driveway alarm alert - wireless, - £10.99
- Free postage - New and Used
- Free postage - New and Used
Wireless pir motion sensor - wireless, - £5.75
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
12v 120db mini - mini, wired - £4.74
Compact yet highly • Effective instantly notifies • You deters intruders - Free postage - New and Used
Compact yet highly • Effective instantly notifies • You deters intruders - Free postage - New and Used
Smart gsm wifi home - gsm, - £35.55
Home alarm system • Provide basic wireless • Security control household - Free postage - New and Used
Home alarm system • Provide basic wireless • Security control household - Free postage - New and Used
Activator infrasonic - rx-9, - £14.90
Works principle low • Level sound made • Such when door - Free postage - New and Used
Works principle low • Level sound made • Such when door - Free postage - New and Used
Carbon monoxide alarm lcd - monoxide, - £16.99
Years operational lifespan • Clear power fault • Alarm indicators loud - Free postage - New and Used
Years operational lifespan • Clear power fault • Alarm indicators loud - Free postage - New and Used
Security protection tuya smart - tuya, - £13.01
- Free postage - New and Used
- Free postage - New and Used
Yale series alarm keypad - series, - £8.07
Yale series alarm • Keypad white wireless • Smart home security - Free postage - New and Used
Yale series alarm • Keypad white wireless • Smart home security - Free postage - New and Used
120db home travel security - 120db, - £4.99
Can used door • Stopper protector around • You just put - Free postage - New and Used
Can used door • Stopper protector around • You just put - Free postage - New and Used
Wireless motion sensor alarm - wireless, - £7.11
Pir detection range • Can situated cover • Front door back - Free postage - New and Used
Pir detection range • Can situated cover • Front door back - Free postage - New and Used
Ring piece alarm kit inc - ring, - £197.26
Change your alarm • Modes simple tap • Way out but - Free postage - New and Used
Change your alarm • Modes simple tap • Way out but - Free postage - New and Used
Wireless motion sensor alarm - wireless, - £11.49
Pir detection range • Can situated cover • Front door back - Free postage - New and Used
Pir detection range • Can situated cover • Front door back - Free postage - New and Used
Wireless driveway alarm alert - wireless, - £11.66
There are two • Parts this driveway • Security system wireless - Free postage - New and Used
There are two • Parts this driveway • Security system wireless - Free postage - New and Used
Wireless window - 1x, - £6.99
Trigger distance alarm • Sounds when gap • Between unit magnet - Free postage - New and Used
Trigger distance alarm • Sounds when gap • Between unit magnet - Free postage - New and Used
Kerui 110db loud alarm - kerui, - £27.35
Work tuya app • 110db sound alarm • Cannot adjusted down - Free postage - New and Used
Work tuya app • 110db sound alarm • Cannot adjusted down - Free postage - New and Used
Home security pir alert - security, - £14.89
Features made high • Quality material durable • Sturdy anti scratch - Free postage - New and Used
Features made high • Quality material durable • Sturdy anti scratch - Free postage - New and Used
Wireless door window - window, alarm - £9.15
Alarm after arming • Output open door • Its compact ideal - Free postage - New and Used
Alarm after arming • Output open door • Its compact ideal - Free postage - New and Used
Wireless door window alarm - door, - £44.96
Alarm after arming • Has four defense • Zones you can - Free postage - New and Used
Alarm after arming • Has four defense • Zones you can - Free postage - New and Used
Ring alarm 5 piece - 🇬🇧, - £119.99
Rrp 219.99 - Free postage - New and Used
Rrp 219.99 - Free postage - New and Used
Alarm home security - alarm, wireless - £12.49
Wsdcam vibration bicycle • Alarm state art • Security solution safeguard - Free postage - New and Used
Wsdcam vibration bicycle • Alarm state art • Security solution safeguard - Free postage - New and Used
Yale sync smart alarm motion - sync, - £63.74
Our new sync • Alarm connects simply • Other security products - Free postage - New and Used
Our new sync • Alarm connects simply • Other security products - Free postage - New and Used
Kerui tuya wireless - kerui, - £31.90
Tuya wifi alarm • When detector triggered • Matter what state - Free postage - New and Used
Tuya wifi alarm • When detector triggered • Matter what state - Free postage - New and Used
Kerui security home - kerui, - £31.19
Test sounds didi • Beep from siren • Press button remote - Free postage - New and Used
Test sounds didi • Beep from siren • Press button remote - Free postage - New and Used
Wireless motion sensor alarm - wireless, - £5.99
Itswireless design makes • Installation quick hassle • Free wiring complicated - Free postage - New and Used
Itswireless design makes • Installation quick hassle • Free wiring complicated - Free postage - New and Used
12v 120db mini loud - 120db, wired - £6.03
Sound index 120db • 120dbs this siren • Will not only - Free postage - New and Used
Sound index 120db • 120dbs this siren • Will not only - Free postage - New and Used
Wireless door alarm shed - wireless, - £7.47
Instant when switch • Instan state enter • Password turn function - Free postage - New and Used
Instant when switch • Instan state enter • Password turn function - Free postage - New and Used
Yale sync smart - sync, 9 - £236.24
Live external siren • Pir motion detector • Smart hub expand - Free postage - New and Used
Live external siren • Pir motion detector • Smart hub expand - Free postage - New and Used
W2b wifi alarm system for - alarm, - £95.99
Siren output 500ma • Wifi gsm intranet • Alarm system app - Free postage - New and Used
Siren output 500ma • Wifi gsm intranet • Alarm system app - Free postage - New and Used
Pack wireless door - wireless, stop - £7.00
Weight 128g portable • Doorstop preasure alarm • System can easily - Free postage - New and Used
Weight 128g portable • Doorstop preasure alarm • System can easily - Free postage - New and Used
Tuya wireless gsm alarm - alarm, system - £118.99
Tuya wifi gsm • Alarm system support • 100 wireless detector - Free postage - New and Used
Tuya wifi gsm • Alarm system support • 100 wireless detector - Free postage - New and Used
Wifi wireless home alarm - 4g, - £97.79
Infrared sensor detector • Battery use aaa • Batteries include wifi - Free postage - New and Used
Infrared sensor detector • Battery use aaa • Batteries include wifi - Free postage - New and Used
Kerui 120d wireless security - 120d, - £30.60
Overview diy alarm • System capability add • Sensors remotes doorbell - Free postage - New and Used
Overview diy alarm • System capability add • Sensors remotes doorbell - Free postage - New and Used
Yale sync smart home - smart, alarm - £120.00
Check from anywhere • World receive alerts • Notifications when your - Free postage - New and Used
Check from anywhere • World receive alerts • Notifications when your - Free postage - New and Used
Window door burglar - window, - £6.49
Enjoy effortless installation • Convenient mounting pads • Batteries included this - Free postage - New and Used
Enjoy effortless installation • Convenient mounting pads • Batteries included this - Free postage - New and Used
Wireless pir motion sensor - wireless, - £11.99
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
New tuya wifi w9b alarm - new, - £94.99
Remote sms settings • National languages chinese • English german russian - Free postage - New and Used
Remote sms settings • National languages chinese • English german russian - Free postage - New and Used
Wireless driveway alarm - driveway, alert - £10.89
There are two • Parts this driveway • Security system wireless - Free postage - New and Used
There are two • Parts this driveway • Security system wireless - Free postage - New and Used
Sensor motion pir - motion, - £6.93
Motion sensing alarm • Ideal use entryways • Garages sheds any - Free postage - New and Used
Motion sensing alarm • Ideal use entryways • Garages sheds any - Free postage - New and Used
Pack wireless door stop - wireless, - £9.29
Alarm system can • Portable doorstop preasure • Easily carried around - Free postage - New and Used
Alarm system can • Portable doorstop preasure • Easily carried around - Free postage - New and Used
Kerui full wireless - kerui, security - £32.76
Wireless motion detector • Siren alarm horn • Press button remote - Free postage - New and Used
Wireless motion detector • Siren alarm horn • Press button remote - Free postage - New and Used
Try this: home security system | house alarms | large safes | lock box | lock picking tools | master key | motion detector | old barn doors | siren lights | small locker
Shop by budget
Everything you need to know about home security alarm systems
Whether you are looking for a brand-new or second-hand home security alarm systems, eBay offers one of the largest selections available online. With 48 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 £4.74, while premium listings can reach £236.24 — giving you a wide budget spread to work with. The average price of £37.28 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.