North America&&';;s best-selling avalanche transceiver. Includes harness. The Tracker2 avalanche transceiver offers the industry&&';;s fastest, most precise pinpointing, with triple receive antenna, instantaneous real-time display, and easy-to-use interface. Industry leading ease of use, real-time display, and durability. An intuitive mechanical search/transmit switch makes it easy to use right "out of the box." Includes special mode and multiple burial indicator lights. The indestructible industry workhorse used by ski patrols and guiding operations everywhere. All transceivers include harness and batteries. U.S. patent numbers: 6,167,249 & 6,484,021, BSPECS SKU C1312B20010 Size 1SZ Frequency 457 kHz Maximum Range 55 meters Search Strip Width 50 meters Battery 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 9.0 oz. / 255 grams Dimensions 5.2 x 3.2 x 1.1 inches / 13.2 x 8.2 x 2.7 cm Origin Assembled and tested in the USA Patent and License US Patent #6,167,249 & 6,484,021 B1. Certified to be in compliance with all applicable North American and European norms. Warranty 5 Year