Comfortable Strong Shoulder Strap Included. Built-In Switchable Siren Function. Pistol Grip Handle With Trigger Switch. Supplied With 5M Power Lead- Cigarette Lighter Plug To Dc Plug For External 12Vdc OperationPower max:25WnBattery:12Vdc (8 x C- not supplied)nRange:700m – 1kmnStrap length:1mnDimensions:335 x 230mmnWeight:1.65kg. Suitable for all outdoor occasions this is a a powerful and durable megaphone. With a powerful built-in 25W amplifier and a high quality anti feedback microphone it can project a clear sound up to a distance of 1km depending upon conditions. Easy to use- the microphone features a handy push to talk switch and rotary volume control Construction is in strong ABS with a rubber edge protector.. megaphone-louadhailer-portable pa