Dogtra Train and Beeper Collar Designed for the serious upland Hunter Beeper Horn is built into the receiver Eliminating the bulky Horn that sits on top of your dogs head Beeper has a 400 yard range & dual high & low 3 level volume adjustment selector switch for the Run/point mode Precise stimulation level (0-27), 1 mile range 2-hour rapid change lithium Polymer batteries, Fully waterproof collar/receiver and transmitter, LCD screen displays exact level of stimulation even in dark or low light conditions, Three bar battery life indicator