Google Nest Protect

Hikvision DS-PDSMK-S-WE - rechargeable battery - 3 V - 10.2 cm - 35 mm - 125 g - -10 - 60 °C

Abus RWM150

X-Sense XC01-M Link+ Pro CO Sensor

Shelly Plus Smoke Alarm

X-Sense SD11

Google Nest Protect

Shelly Flood WiFi flood & temperature sensor

X-Sense XS01-WX Rauchmelder

Google Nest Protect

Gira Dual Q

X-Sense SWS51 Flood Detector

Tellur Smart WiFi Smoke and CO Sensor white

Pentatech RA 260

Fibaro smoke sensor