The HART Electronic Start Pistol can be used with an amplifier to project 3 different tones for starting a race or getting attention. The HART Start Pistol will simulate a gun sound for athletics, an electronic beep used in swimming or a traditional whistle tone. The pistol has three different tone options (simulated gun sound for athletics, electronic beep used in swimming and traditional whistle tone). High visibility LED light on the front of the pistol, visible from 100m. Padded storage case included. Includes cord for attachment to HART Waist Amplifier (2-545), HART Coach Portable PA System (2-546) or into any standard amplifier socket (Amplifier not included). Pistol powered by 3 x AA batteries (not included). Instruction Manual Included. Note: This gun will not project sound without an amplifier. Amplifier not included.