76 ads Second-Hand Alarms, Cameras & Smoke Detectors for Sale in London

Philips Wake-Up Light, model HP3531, in good condition. Everything works perfectly, no marks or damage. Comes with the original power cable and is ready to use. No box

Carbon monoxide alarm new in box, incl batteries. Not used. Can pick up in N12 or can meet you in central London. See also my other house clearance items.

It’s wireless fire alarm Fully working no issue at all

Gent devices 50 Alarm sense devices £10 Series 65 devices £10 Message for information Discount on bulk buy

Eaton / Scantronic SDR-WEXT-00 external wired alarm siren and strobe. Unused and still in original box with installation instructions. Bought but never installed. * Grade 2 external alarm sounder * Blue flashing strobe * Selectable 85 dB / 105 dB s

Four Visonic MCT-234 wireless keyfob transmitters, 2 are in their original boxes. These are for arming and disarming alarm systems. They are compatible with PowerMax systems and PowerCode receivers. All units are black and in good condition ready for

Philips Wake-Up Light, model HP3531, in good condition. Everything works perfectly, no marks or damage. Comes with the original power cable and is ready to use. No box

Hive Hub 360 Smart Home Hub Hive Hub 360 designed to connect and manage compatible Hive smart-home devices from one central hub. Genuine Hive product Model: Hive Hub 360 Model ID: HUB450 Part number: 555090 Suitable for compatible Hive smart-home dev

A Yale Easy Fit Telecommunicating Alarm system, never used. Comes with the main unit, a remote control, and the outdoor siren, all in original packaging. Everything is in excellent working order, ready for installation. Great for home security, offer

A Windowmaster WSK 501 smoke vent control unit, looks practically new. A manual call point for smoke ventilation systems. Control in good working order however the door catch on the outer casing is faulty, so the door is unable to be locked closed. H

A brand new GOYOJO GD1 digital manometer, still in its box. This multi-functional device offers high accuracy for various measurements, with 12 selectable units. It features a large LCD display, data record function, and low battery indicator. Perfec

Nearly new EAZYZAP Insect Killer, still in its original box. High quality insect killer with strong aluminium casing and high visibility UV tubes. Features a removable catchment tray, can be free-standing or chain mounted. Covers 50m², with 2 x 8W UV

1 month old, Immaculate, used once to test for very short period then boxed up again. Surplus to my requirements. Excellent system though. RRP FOR CAM = £129 RRP FOR BASE = £159 Selling for £150 No Offers (Excellent items - realistic price). Secur

Visonic PWRMAX+ (868) QUICK FIT Alarm Panel Brand New, Sealed- Just the panel for sale SOLD AS SEEN IN PHOTOS CASH ON COLLECTION WELCOME from Kingsbury, London NW9 0BD or can be posted for £4 Please check out my other items...exercise equipment,

Black one is very strong light only used for 1 year. White one not use. Smoke alarm not used before. Collection only Hampton area

A Yale Easy Fit home alarm system, includes the main unit and two PIR motion sensors. It's in good working order, though there are some minor marks from previous use. Comes with the power adapter, ready to be set up for home security. Great for addin

Brand new FireAngel optical smoke alarm, still in its original packaging. This is a battery-powered model, SB1-T, with a 1-year replaceable battery. Features a high-performance optical sensor and a large central test & silence button. includes all ne

Brand New Yale Dummy Alarm with Flashing LED Model AC-DBX for £20.00 This Yale dummy alarm is new and has never been used or installed and comes complete with fixings and instruction leaflet; the flashing red light has been tested and it is working;

Brand new Tower programmable RF wireless room thermostat, model RFWRT. Still in its original packaging, never used. Comes with a transmitter and receiver, as detailed on the box. Features an LCD display and battery-powered transmitter. Just no AA bat

Aico Ei3028 Mains Powered Multi-Sensor Heat & Carbon Monoxide Alarm

Carbon monoxide detector, new boxed. Specs in the picture. Thanks

JA Solar panels, 410 W peal power. These are less than a year old, taken down due to reconstruction. Last one remaining - £60 Collection only from Dagenham East - RM10 8XU. L = 173cm W = 113cm

Aqara Smart Door Lock - Brand New, Silver In immaculate condition. Selling due to moving and new door is not compatible with this lock unfortunately, please check your door lock is compatible before you buy. The price is final as the item is almost

Paxton 857-250 – New & Unused For sale: Paxton 857-250 access control unit. * Brand new, never used * Original unit * 12V battery included * Ideal for access control / security systems * Ready to install 💷 £50 Collection or message me for more in

House recently installed wired carbon monoxide alarms, portable not needed Used but still fully functioning 2x carbon monoxide alarms as a set

Amerisolar 430W Full Black Aesthetic Solar Panel. Brand New. MCS certified. ELECTRICAL DATAPeak power: 430WPower tolerance: 0/+5Max. power voltage: 32.2V Max. power current: 13.36A Open circuit voltage: 38.4V Short circuit current: 14.06A Module eff