Description:   Name: Civil walkie-talkie  Color: black, orange, red, blue  Material: ABS + electronic components  Power: 4 7-cell batteries (not included)  Working voltage: 6V  Range:Up to 5 metrics in outdoor conditions (depending on terrain and weather conditions).    Frequency:   446.00625~446.9375MHz (EU)  462.56250~467.7125MHZ (United States)  Channel: 8 (EU) / 22 (United States) 99 CTCSS  Call distance: 2-8KM (max)  Flashlight function    Features:   Find channel and channel locks  Receiving communication  Set call ringtone  Set button tone  Powered by 4 AAA batteries (not included)  Auto squelch: Attenuates background and signal noise in receive mode.  5 quick access function keys (on/off, call, call, channel selection, flashlight).    Remarks:   1.If you are worried about accidentally changing channels  Don't worry, after selecting a channel, you can lock the keyboard, the keyboard won't change, just press PTT to talk. It's easy to lock the keyboard, hold down the Menu button until a button appears on the LCD.  2.Use a flashlight or send encoded information in the dark  Belt clip with hook for neck or wristband  Press the PTT button while talking, if you don't want to press it, it is easy to open the VOX function.  Can be combined with the back splint for easy placement and carrying    Package Included:   Interphone *2PC, Manual *1, Clip *1    Note:   The package does not include batteries, can use 7-cell batteries;  EU 8 channels  US 16 channels