FIBARO Door/Window Sensor 2 FGDW-002-1

Power supply: 3.6V DC battery
Battery type: ER14250 (1/2AA)
Battery life: est. 2 years (default settings)
EU directives compliance: RED 2014/53/EU
RoHS 2011/65/EU
Radio protocol: Z-Wave (500 series chip)
Radio frequency: 868.4 MHz EU;
908.4 MHz US;
921.4 MHz ANZ;
869.0 MHz RU;
Radio transmit power: up to 2 dBm (EIRP)
Range: up to 50m (164ft) outdoors
up to 40m (131ft) indoors
(depending on terrain and building structure)
Destined environment: Indoor use only
Operating temperature: 0-40?C (32-104?F)
Temperature measuring range: 0-60?C (32-140?F)
Temperature measuring accuracy: ?0.5?C (?0.9?F)
Dimensions (L x W x H): 71 x 18 x 18 mm
(2.8 x 0.7 x 0.7 inch)