Home security alarm systems
Home security alarm systems for sale on Ireland's largest auction and classifieds sites
Budget picks — under £12
Tuya wifi gsm • Alarm system outdoor • Wireless pir detector - Free postage - New and Used
External wired alarm • Wireless siren accessories • Function support battery - Free postage - New and Used
External wired alarm • Wireless siren accessories • Function support battery - Free postage - New and Used
Open door see • Siren sounds 1or • 5or 10pcs set - Free postage - New and Used
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120db high pitched • Continuous siren when • Enabled type door - Free postage - New and Used
Browse 48 home security alarm systems listings currently in our index. Prices range from £2.89 to £259.66, with an average of £37.07. 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 →
Can used door • Stopper protector around • You just put - Free postage - New and Used
Loud alarm signal • 110 siren shed • Garage caravan security - Free postage - New and Used
Sound index 120db • 120dbs this siren • Will not only - Free postage - New and Used
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
Motion sensing alarm • Ideal use entryways • Garages sheds any - Free postage - New and Used
Security wireless home • Window door burglar • Alarm system magnetic - Free postage - New and Used
Built pir motion • Detector power batteries • Not included when - Free postage - New and Used
- Free postage - New and Used
Yale series alarm • Keypad white wireless • Smart home security - Free postage - New and Used
There are two • Parts this driveway • Security system wireless - Free postage - New and Used
Mid-range — £12 to £35
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
Description coverage 105 • Scanning range ensures • Large area covered - Free postage - New and Used
Package include home • Security alarm remote • Control key rings - Free postage - New and Used
Can used door • Stopper protector around • You just put - Free postage - New and Used
You can easily • Switch off unwanted • Alarms via app - Free postage - New and Used
Ear piercing 113db • Wireless siren alarm • Deters opportunist thief - Free postage - New and Used
Well made alarm • Great performance vehicle • Search function easy - Free postage - New and Used
Shed garage alarm • White saa5015 simple • Install can wall - Free postage - New and Used
Motion sensor alarm • 2pcs wireless pir • Detector remote control - Free postage - New and Used
Security alarm kit • Wireless door window • Double sided stickers - Free postage - New and Used
Standby time months • Features easy convenient • Install professional design - Free postage - New and Used
Large working area • 650ft obstacles full • Cover your propoty - Free postage - New and Used
Utilises advanced infrared • Detection technology detector • Sounds alarm when - Free postage - New and Used
Set your ring • Alarm minutes without • Need tools professional - Free postage - New and Used
Test sounds didi • Beep from siren • Instantly when separated - Free postage - New and Used
Premium — over £39
Alarm will automatically • Arm nothing detected • After minutes continue - Free postage - New and Used
Remote key fobs • 23a 12v battery • Wireless pir motion - Free postage - New and Used
Test sounds didi • Beep from siren • Press button remote - Free postage - New and Used
Connect any socket • Usb power cord • Screw wall wifi - Free postage - New and Used
Batteries includes pir • Siren sensor remote • Huge wireless range - Free postage - New and Used
This residential smart • Alarm system support • Wireless home security - Free postage - New and Used
Brief siren brain • Unit motion sensors • Can detect suspicious - Free postage - New and Used
Infrared sensor detector • Battery use aaa • Batteries include wifi - Free postage - New and Used
Tuya wifi alarm • When detector triggered • Matter what state - Free postage - New and Used
Ultrasonic alarm ideal • Protecting van doors • Sale 12v magnetic - Free postage - New and Used
High decibel siren • Built 120db alarm • Deter intruders alert - Free postage - New and Used
Tuya wifi gsm • Alarm system support • 100 wireless detector - Free postage - New and Used
Alarm motion detector • Range extender our • Lowest price ever - Free postage - New and Used
Alarm system • United states canada • Following official closure - Free postage - New and Used
105 tuya wifi • Version - Free postage - New and Used
Ring alarm pack • Outdoor siren comprehensive • Home security system - 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
🔥 Best eBay deals on home security alarm systems
See all listings on eBay →These 48 listings for home security alarm systems are the lowest-priced items currently in our index. Prices are sorted ascending so you can quickly gauge the market before going further.
Wireless Security Full Touch
Tuya wifi gsm • Alarm system outdoor • Wireless pir detector
£3
Wireless Security Full Touch
External wired alarm • Wireless siren accessories • Function support battery
£3
Wireless GSM WiFi Smart Home
External wired alarm • Wireless siren accessories • Function support battery
£3
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 £2.89, while premium listings can reach £259.66 — giving you a wide budget spread to work with. The average price of £37.07 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.