Color Black Brand Berik Model MP-668S Quantity 1 Piece Material PC + ABS Frequency Range 136~174MHz / 400~480MHz Channel 199 Frequency Stability 5 ppm Output Power 8 W Working Voltage 7.4 V Working Distance 5000m Encryption CTCSSDCS Battery Capacity 2500 mAh Standby Time 48 Hour Working Time 24 Hour Other Features 2" LCD and LED light; With FM radio and clock alarm; Compatible with lithium battery and hydrogen battery; Chinese / English voice prompt; Humanized design; Power saving voice control CTCSS/CDCSS VOX function; 38 Groups CTCSS and 105 Groups DCS; DTMF diphonia multiple-frequency signal function; With PC program function Packing List 1 x Walkie talkie 1 x Battery 1 x Antenna 1 x Belt clip 1 x Strap (20cm) 1 x Dock charger (DC Input :12V DC Output: 8.4V / 500mA) 1 x AC power charger (110~240V / 105cm-cable / EU plug) 2 x Screws 1 x Chinese / English user manual