FireAngel Optical Smoke Alarm - 5-Year Batteries

The optical sensing technology detects smoke as it enters the alarm chamber, for a quick reaction to slow burning fires. The alarm is supplied with 2 x AA batteries which can be replaced upon hearing the low battery warning, it is recommended you replace the alarm after 10 years. The quiet test function means you're less likely to wake up loved ones or disturb the neighbours when testing your alarms. The perfect replacement for FireAngel ST-625 model with a simple swap of the baseplates, or for ST-622, ST-620 and ST-750 models using the existing baseplate. Give yourself vital time to replace the batteries in your alarm by silencing low battery warnings for 8 hours using the sleep easy feature. Suitable for homes in England and Wales. Not suitable for Scottish homes under the new regulations. FireAngel alarms are rigorously tested to ensure unrivalled quality and longevity and come with a 5 year manufacturer's warranty for peace of mind. FireAngel Smoke Alarms are designed in-house at our Midlands based development centre and have been rigorously tested to ensure unrivalled quality and longevity. Each product is packed full of trusted technology, with a sleek and polished design to fit seamlessly into your home.