The Backcountry Access Tracker’s legendary ease-of-use in our flagship product. This small and light beacon includes a harness and batteries. Tracker avalanche transceivers have long been the fastest, easiest-to-use beacons int he 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. SIZE 1SZ WEIGHT ~ 7.6 oz / 215 g including batteries, not harness DIMENSIONS ~ 4.7” x 3.0” x 1.0” / 12 cm x 7.5 cm x 2.6 cm FREQUENCY 457 kHz POWER Three AAA alkaline batteries MAX RANGE 55 meters SEARCH STRIP WIDTH 50 meters BATTERIES three AAA alkaline BATTERY LIFE minimum 1 hour in search mode after 200 hours in transmit mode (approximately 250 hours in transmit only or 50 hours in search only) UNIT WEIGHT WITH BATTERIES 7.6 oz. / 215 grams HARNESS WEIGHT 4.2 oz / 120 grams WARRANTY 5 Year ORIGIN Assembled and tested in the USA PATENT US Patent #6,167,249 & 6,484,021 B1. CERTIFICATION Certified to be in compliance with all applicable North American and European norms.