Pieps DSP Avalanche Transceiver Transmission frequency: 457 kHz (EN 300718); Maximum range: 60 m; Search strip width: 50 m Temperature range: -20&deg;C to +45&deg;C Power supply: 3 x Alkaline (AAA); Battery lifetime: min. 200 h send mode Dimensions (LxWxH): 116 x 75 x 27 mm Weight: 198 g (incl. Batteries)