Overview: Fix the door sensor to the door/window (2 sides). Make sure that when the door or window is shut, the door sensor (two parts) can be leaned together. If the door or window is open, then the 2 parts of the door sensor are separated, it will send information to alarm host to trigger the alarm, meanwhile push alert SMS to your phone! SPECIFICATION: 1. Power supply: Alkaline button battery(included) 2. Low battery alarm: Send low battery message to alarm host when battery is low 3. Wireless frequency: 433 MHz,Code:1527 4. Transmitting distance:noninterference ≥100m; indoor about 30~50 m 5. Operating temperature: indoor -10 ~ 50℃, related humidity ≤ 95% Package Included: 5 x JC Window Door Sensor (alkaline battery included) 5 x high strength double sided foam sticky tape
Trustpilot
1 week ago
1 day ago