Trust ALMST-2000 Wall-mounted RF Wireless smart home transmitter

Wireless sensor, 868 Mhz (70 or 120 m range) - The magnetic contact sensor can be placed at any door or window
- Long battery life and battery low indication to make sure the system always works
- Secure 2-way communication at 868 Mhz (no WiFi interference) with an indoor range up to 70 meter and outdoor range up to 120 meter
- In combination with the siren, the status of the sensor is constantly checked by the siren to make sure your home remains secure
- By combining this sensor with the siren and the OCTOPUS Control Station you can receive a push notification on your tablet and/or smartphone when a door/window is opened
- No payment of monthly fees required
- Easy to install; no need to call an electrician