TTI1023 Features: * Beeper with strap * Use alone or with any brand of electronic collar * Remote turn on / off when used with compatible Tri-Tronics models * Sport 65 G2, Sport Upland G3 and Tri-Tronics G2 and G2 EXP field and pro series * No connecting wires to bend or break * On / off switch protected by button guard * Distinguish among multiple dogs by choosing single, double or triple beep, tracking tone or hawk scream * Range / point or point only modes, high or low volume * LED power indicator * Easily reached when on the dog * Easy to hear up to 400 yards Includes: * Replaceable alkaline battery (included)