ABUS FU9090. Operating frequency: 868.65 MHz, Type: Wireless, Alarm decibels: 105 dB. Battery type: CR123 3V. Dimensions (WxDxH): 120 x 50 x 146 mm, Weight: 440 g. Operating temperature range (T-T): -25 - 60 °C. Package dimensions (WxDxH): 225 x 90 x 355 mm, Package weight: 1390 g