Model : TH-UV8000D Frequency Range : UHF (400-520MHz) VHF (136-174MHz) Communication Range: 8-15 KM Voltage : 7.2V Channel Capacity : 128 Antenna Type : External Product Size : 120x30x40MM Output Power : 10W Audio Power : 1W Battery Capacity : 3600mAh Weight : 282GM Warranty : 1 Year for Device 1 Month for Battery 1 Month for Charger Additional Features : Voice Prompt Dual Display FM Radio function Two Antennas in Box