The self-contained weather-resistant collar sports an adjustable-volume sound module that boasts point, point and run and track modes. The SportDog DSL-400 beeper locator is the smallest and lightest beeper on the market. It features:

Volume control 4 selectable beeper sounds: Standard Beep, Hawk Scream, Bob White recall, and Trill Audible out to 400 yards 3 selectable modes: Silent run-beep every second on point Beep every 5 seconds on run-beep every second on point Beep every 10 seconds on run-beep every second on point Lightest and Smallest Beeper Locator on the market (with a size of 5.8 cubic inches and weight of 3 ounces) High and Low volume adjustment for multiple terrains Easy to use Battery Cap, ON/OFF switch located in Cap Feed through collar brackets with locking mechanism Low battery detect Waterproof and rugged Backed by a lifetime warranty