The Tracker33 has Tracker2&&';;s renowned ease of use and instantaneous real-time display-and it&&';;s 20 percent smaller and lighter. Designed to be "pocket friendly," T3 is the thinnest multiple-antenna avalanche transceiver available. Signal suppression and Big Picture modes for no-nonsense multiple-victim searching. FREQUENCY 457 kHz 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 DIMENSIONS 4.5 x 2.8 x 0.9 inches / 11.5 x 7.1 x 2.4 cm WARRANTY Limited 5-year warranty ORIGIN Assembled and tested in the USA PATENTS & LICENSES US Patent #6,167,249 & 6,484,021 B1. Certified to be in compliance with all applicable North American and European norms.