Google Nest Protect

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

X-Sense XC01-M Link+ Pro CO Sensor

X-Sense SD11

Abus RWM150

Google Nest Protect

Shelly Flood WiFi flood & temperature sensor

X-Sense XS01-WX Rauchmelder

Shelly Plus Smoke Alarm

Gira Dual Q

Pentatech RA 260

Gira Basic Q

X-Sense SWS51 Flood Detector

Ajax Smoke detector

eufy Wasser- & Frostmelder