Smart gas leak sensor, white, Tellur Smart WiFi

Functions Detects a gas leak and triggers an alarm Multiple alerts: light indicator, high decibel beep and push notification Compatible with the Tellur Smart app, perfectly integrated into the smart...

Smart WiFi smoke and CO sensor, white - Tellur

Power source: 2x1.5V AA alkaline batteries, replaceable Battery life: up to 3 years Detection area: up to 50m2 Alarm sound level: 85dB at 3 meters Sensor type: Infrared photoelectric Smoke...