Description : T-688 0.5W UHF Auto 8 Channels Mini Radios Walkie Talkie Black This set includes 2 walkie talkies units， these are communication device which operate on mobile radio frequesncies. They come with 8 channels as well as a back-lit LCD screen， enabling you to communicate over a long distance. A best tools for many aspect in our daily life such as : home building\/guarding， out door traveling， game playing and kid teaching， etc. Features : 8 channel PMR system autoscan function LCD display including，battery status indicator Adjustable volume level Transmitting and receiving icons Channel number and scan status Monitor Functio Electronic volume adjustment Auto squelch 10 different call melodies Call alert (Tell the other one you wanna have a !#!amp!*!quot;Talk!#!amp!*!quot;.) Built in flashlight Channel lock Power selection Vox function Specifications : Brand : YYT Model Number : T-688 Material : Plastic Color : Black Type : Two Way Radio Talk Range : 5km in open area Storage Channel : 8 Dimensions : 130 x 40 x 25mm Frequency range : 400-470 MHz. Display : LCD Power by : 3 x AAA Tips : You can use the rechargeable batteries and buy the direct charger at : SKU127434 That will be very convenient for you. Package included : 2 x T-688 Mini Walkie Talkies Black 1 x English User Manual Compare with T-388 also sell on banggood : Only about 1\/2 size to T-388， super mini and brings the comfortable grip feeling， and very clear sound in 300m distance. Details pictures :