Main features:
Preset 16 channels for easy using not need programming
50 CTCSS/105 CDCSS 
VOX Function 
Voice Prompt 
PC Programming 
Emergency Alarm 
Intelligent Charging 
Battery Save 
Low Voltage Alert 
Time-out Timer
Torch Light
General :
Frequency Range: UHF 400-480MHz 
Channel Capacity: 16
Channel Spacing: 25KHz
Operated Voltage: 3.7 V
Battery: 1500MAh Li-ion
Battery Life(5-5-90 duty cycle): About 8 hours
Frequency Stability: ±2.5ppm
Operated Temperature: -30°c-+60°c
Antenna Impedance: 50Ω
Transmitter:
RF Power Output: 3W
Modulation: F3E
Spurious Emission: ≤65dB
FM Noise: ≤-45dB(W) ≤-40dB (N)
Audio Distortion: ≤5%
Transmitting Current: ≤1.3A
Receiver:
Sensitivity (12dB SINAD): ≤0.20 UV
Selectivity : 55dB/50dB
Intermodulation: ≥65dB
Adjacent Channel Selectivity: ≥60dB
Spurious Response: ≥60dB
FM Noise : 45dB/40dB
Audio Power Output: 1000mW 
Audio Distortion: ≤5%
Standby Current: ≈15mA (with battery save on)
Package Include:
2x Radio
2x Battery Pack
2x Power Adapter
2x Antenna
2x Belt Clip
2x Wrist Strap
1x User Manual