FireAngel SB1-R Smoke Alarm - Toast Proof, Optical Smoke Alarms for Home with Replaceable Battery and Test/Silence Button - Early Smoke Detector Fire Alarm - 90 x 35 mm - White Pack of 2:25 and are free of charge

and are free of charge to Paxton registered installers from the Extranet

Can be mounted on 25mm flush or surface mount back boxes

The sensor's advanced digital signal processing reduces interference

ease of installation

FireAngel SB1-R Smoke Alarm - Toast Proof, Optical Smoke Alarms for Home with Replaceable Battery and Test/Silence Button - Early Smoke Detector Fire Alarm - 90 x 35 mm - White Pack of 2:25 and are free of chargeBrand: Fireangel Style : 5 Year Replaceable Battery (Better) Power source: Battery Powered Colour: White Product dimensions: 10D x 10W x 10H millimetres Item weight: 185 Grams SMOKE DETECTORS FOR HOME: The optical smoke alarms sensing chamber 'sees' smoke as it enters, enabling a fast response to slow burning fires with thick white smoke. FEWER NUISANCE ALARMS: The advanced optical sensor ensures the fire alarm is less prone to false alerts from