Brand BERIK Model MP-668 Color Black Material PC + ABS Quantity 1 Frequency Range 136~174MHz / 400~470MHz Channel 199 Frequency Stability 5 ppm Output Power 5 W Working Voltage 7.4 V Working Distance 5000 m Encryption CTCSS / DCS Battery Capacity 150 mAh Features 1" LCD; FM radio / alarm compatible with lithium battery and hydrogen battery; Chinese / English voice prompt humanized design; Power save voice control CTCSS/CDCSS VOX function; 38 Groups CTCSS and 105 Groups DCS; DTMF diphonia multiple-frequency signal function; 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 (220V) 1 x AC power charger (220V / 105cm-cable / EU plug) 2 x Screws 1 x Chinese user manual