Lightweight & Precise Avalanche Beacon The Tracker3 Transceiver uses Signal Suppression (SS) and Big Picture (BP) modes for no-nonsense multiple-victim searching. Our customers love the lightweight "pocket-friendly" design and the easy to use real-time display. Features Auto Revert mode Big Picture mode Close proximity indicator Motion-sensing auto revert-to-transmit mode. Multiple burial indicator Mute mode Signal Suppression mode Temperature resistant LED display Three Antenna Upgradeable software and electronics performance testing for fleet management Specs Weight: 5.8 oz / 164 grams without harness Harness Weight: 4.2 oz / 120 grams Frequency: 457 kHz Battery Power: Three AAA alkaline batteries Battery Life: Min. 1 hour in search mode after 200 hours in transmit mode (approximately 250 hours in transmit only or 50 hours in search only) Dimensions: 4.57 x 2.80 x 0.91 in / 11.6 x 7.1 x 2.3 cm Max Range: 50 meters Search Strip Width: 55 meters