Wireless Range : 5-10KM

Full charge for BL-1 1500mAh battery: 3-4H. 
Frequency Range: 400-470（MHz）. 50 CTCSS/105

Operating Voltage:3.7 V. 16 channels. Scanning function. Emergency alarm function. 
Charging current : 500mA(per pocket). DC 4.2V,100-240V. With multiple charging protection from overcharging, overvoltage, and short circuit. Provides safe support even in crowded restaurants or warehouses.
Radio Specifications
- Frequency Range: 400-470（MHz）
- RF Rated Power: ≤5W
- Channel Spacing: 25KHz
- Operated Voltage: 3.7V
- Battery: 1500MAh Li-ion
- Battery Life: About 8 hours
- Frequency Stability: ±2.5ppm
- Operated Temperature: -30°C+60°C
- Antenna Impedance: 50Ω
Charger Specifications
Full charge for BL-1 1500mAh battery: 3-4H
Charging current : 500mA(per pocket)
DC 4.2V,100-240V
Overcharge Protection / Overvoltage Protection / Short Circuit Protection.