With a ? mi audible range and innovative speaker, you can choose from 4 hunt (including silent) and 2 point (including hawk scream) sounds that are easily changeable using 1 external button on the beeper. The beeper has a locate feature operable when in silent hunt mode. The hunter can push the beeper button on the handheld and the beeper will emit a series of tones as long as the button is pressed. The locate feature is for the hunter who doesnt want to hear the noise of the beeper all the time, just when they cannot see or lose track of the dog. This lightweight, waterproof (IPX7), compact beeper includes a replaceable CR123A battery, plus an orange ?” collar strap.