RB618 Walkie Talkie, LED Flashlight, Dual PTT, VOX Hands-Free, LCD Squelch, Mini Walkie-Talkie, (1Pac Black) Specification: Colour: Black Number of channels: 16 Maximum conversation range: 1.5 Mile Tuner Technology: PMR Voltage: 3.7 Voltage (DC) Waterproof level: Not waterproof Item dimensions L x W x H: 14.8 x 5.8 x 2.6 cm