Main Feature: VHF:134-174MHz &UHF:400-520MHz 16 channels Programming protection VOX CTCSS/DCS Cross band function Chinese and English voice prompt Battery saving function Hi/low power selective Scan COMP Wide/ Narrow bandwidth selective End-tone elimination Emergency alert Power protection High/low voltage TX prohition Low battery prompt Specifications: Model TH-UV8000D Frequency Range 136-174/400-520MHz Channel capacity 16 Output power 10 W Operating Voltage 7.2V Antenna Impedance 50 ohm Working Temperature -10ºC~+50ºC Battery capacity 3600 mAh Color Black Dimension(Exclude antenna) 132x59x36 mm Weight(Include Battery) 254 g Feature CTCSS/DCS 50 CTCSS/104DCS Wide/narrow selection 25kHz/12.5kHz VOX function Yes CustomSide Buttons Yes Volume adjustment Yes Squelchlevel setting Yes TOT function Yes Scan function Yes Voice prompt (English or Chinese) Yes VoiceOn Off selection Yes Battery Saver function Yes Batteryvoltage indication Yes High/Lowpower selection Yes Voicecompression and expansion Yes Tailelimination function Yes BusyLock function Yes Scrambler function Yes PC Programmable Yes Emergency alarm Yes Auto-whisper Yes Specification Sensitivity <=0.2µV Occupiedbroadband <=16kHz Channel Selectivity >=65dB Audio output power >500mW Inter modulation >=55dB Audio Distortion <=5% Modulation 16kF¢3E Currentaccepted 220mA Adjust thenoise <-40dB The maximumoffset frequency <=±5kHz Emission current <=2600mA Adjacent Channel Power >=65dB Package Include: 1 x Portable Radio 2 x Antennas 1 x Li-ion battery pack 1 x Charger 1 x Belt clip 1 x Lanyard 1 x User`s manua