Tracker avalanche transceivers have long been the fastest, easiest-to-use beacons in the industry. The Tracker4 just took it up a notch, with a rubberized over-molded case, larger LED display, and the same Tracker interface that basically makes it impossible not to find your companion. Signal suppression and Big Picture modes for no-nonsense multiple-victim searching. Motion-sensing auto revert-to-transmit mode. Upgradeable software and electronics performance testing for fleet management. Details A burly avalanche beacon for dedicated backcountry riders Rubberized case is durable with a natural, ergonomic hand feel No-nonsense multiple burial functions help search efficiently Multiple burial function helps you find everyone efficiently Auto-reverts to send mode in case of burial during search Signal suppression and Big Picture mode simplify the search Included harness with tether supplies the safest carrying option Tech Specs -Antennas:- Three -Digital Range:- 55m -Functions:- multiple burial, close proximity indicator, mute mode, auto revert mode, big picture mode, signal suppression mode, motion-sensing auto revert, upgradable software -Battery:- 3 AAA -Dimensions:- 4.7 x 3.0 x 1.0in -Claimed Weight:- 7.6oz -Manufacturer Warranty:- 5 years limited