In 1997, the Backcountry Access BCA Tracker DTS beacon revolutionized the transceiver market by introducing digital, dual antenna technology. Since then, it has become the world's best-selling transceiver. That's for a simple reason: it's the easiest to use. Features: Digital distance and direction displays simplify searches for both expert and novice beacon users. Efficient, reliable multiple burial search system. The industry’s fastest digital signal processing. Bright, temperature resistant LEDs, visible in adverse light. Shock-mounted circuit board and dual antenna. Strengthened, shock-resistant battery compartment. Simplified compression-molded carrying system. Worldwide compatibility American Alpine Institute Guideschoice Specs: Frequency: 457 kHz 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) Weight: Approx. 12.8oz (363 g) including strap and batteries; Approx. 8.6oz (245 g) without strap and batteries. Size: 5.5in x 3.2in x 1.3in (14cm x 8cm x 3cm) Limited 5-year warranty Assembled and tested in the USA. Certified to be in compliance with all applicable North American and European norms. US Patent #6,167,249 & 6,484,021 B1 FCC ID: OUNDTS1 Canada: 35811021823