Find and check off multiple victims with the Ortovox 3 Plus Beacon"s circular display, which answers your first three questions: which direction, how many people, and how far to them? A user-friendly, all-digital triple-antenna search tool for quick recoveries, the 3 Plus also features Smart Antenna Technology. The first of its kind, the 3 Plus switches between transmitting antennas to maximize signal strength even when you tumble in a slide and change directions. Product FeaturesDigital Range: 142 ftAnalog Range: Antenna: tripleBattery Type: AA alkalineBattery Life: 250 hoursBatteries Included: noWeight: 7 ozRecommended Use: backcountry touring, avy gear, side-country, slack-country, storm ridingManufacturer Warranty: 60 days