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The sportDOG™ DSL-400 beeper locator is the smallest and lightest beeper on the market.

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
Low battery detect
Waterproof and rugged
Backed by a Lifetime Limited Warranty



Displayed to the right are the controls for the DSL-400 Deluxe Beeper Collar. As shown, you can choose high or low volume. The numbers indicate the beeper duration. (1) is for Silent mode, (2) is for 5-second duration, (3) is for a 10-second duration, and (4) is to check the battery level. You also have a choice of four different tones. (S) is a standard beep, (H) is a Hawk scream, (B) is a Bobwhite call, and (T) is a Trill tone.

Resource:SportDOG DSL-400 Deluxe Beeper Collar SportDOG Deluxe Beeper Collar