Color Black Brand Wecan Model KC-418 Quantity 1 Piece Material ABS + electronic components Frequency Range 400~470MHz Channel 16 Frequency Stability +/- 5 ppm Output Power 5 W Working Voltage 7.4 V Working Distance 1000~5000M Encryption CTCSSDCS Battery Capacity 1800 mAh Standby Time 72 Hour Working Time 24 Hour Other Features Electricity remind; Acoustic emission; Scanning; PTT ID identification; Shake shoot; DTMF PTT-ID; BCL Packing List 1 x Interphone 1 x Power adapter (US plug 92cm-cable Input: AC 110~240V; Output: 400mA) 1 x Antenna 1 x Strap (20cm) 1 x Chinese user manual