Google Nest Protect Smoke + CO Alarm S3003LW (2nd Generation)Wi-Fi, Bluetooth, Smoke, Motion, Temperature, Light, Humidity, Mains, Battery(5)£94.99
Google Nest Protect Smoke + CO Alarm S3000BW (2nd Generation)Wi-Fi, Bluetooth, Smoke, Motion, Temperature, Light, Humidity, Battery(20)£44.40