Do you often forget to turn off the heating while airing out the apartment in the winter? Door/Window Sensor integrated with the thermostat will do it for you! Heating will be automatically turned on again, after the window is closed. You do not have to worry about higher electricity bills and unnecessary loss of energy. What is more, you take care of the environment. FIBARO Door/Window Sensor 2 is a wireless, battery powered, Z-Wave Plus compatible magnetic contact sensor. Opening is detected by separating the sensor’s body and the magnet. Sensor can be used to trigger scenes and wherever there is a need for information about opening or closing of doors, windows, garage doors, etc. In addition, the FIBARO Door/Window Sensor 2 is equipped with a built-in temperature sensor.Main features of FIBARO Door/Window Sensor 2:* Compatible with any Z-Wave or Z-Wave+ Controller,* Supports protected mode (Z-Wave network Security Mode) with AES-128 encryption,* Door/window opening detected through separation of Sensor’s body and a magnet,* Battery powered,* Built-in temperature sensor,* Detects tampering, when detached or opened,* Easily mounted on doors, windows, garage gates and roller blinds,* Visual LED indicator signaling status of the device.Battery type: ER14250 AA, 3.6V DC battery (included)Battery life: est. 2 years (with default settings)Operating temperature: 0 - 40°CTemperature measuring range: 0-60°CTemperature measuring accuracy: ±0.5°CEU directives compliance: R&TTE 1999/5/EC RoHS 2011/65/EURadio protocol: Z-Wave (500 series chip)Radio frequency: 868.4 or 869.8 MHz EU; 908.4, 908.42 or 916.0 MHz US; 921.4 or 919.8 MHz ANZ; 869.0 MHz RU;Range: up to 50m outdoorsup to 40m indoors (Depending on terrain and building structure)Dimensions (L x W x H): 71 x 18 x 18 mm