FireAngel Optical Smoke Detection Alarm Toast Proof 9V Replaceable Battery 85dB

FireAngel SB1-R Optical Smoke Alarm. FireAngel Safety. Easy to install, easy to test, and backed by a 5-year manufacturer's warranty. FireAngel SB1-R Optical Smoke Alarm — BSI Kitemark certified, 5-year warranty, battery included, easy DIY install.

eBay