The function of medical head lamp surgical light with battery 

lighting is provided by high quality and long life light source.
high definition radiation light spot.
power supply and charging by wide voltage(AC-90V-240V)
after charging,it can be used for 4 hours continuously.
the weight of the lamp bulb is only 80g.

Technical Specifications
Voltage: 90V-240V 50Hz-60Hz
Color Temp:6000k±500k
bulb power: 3W 
Input power: ≤5W
Charging time:5 hours
Power on time:4 hours

Operating Environment
Nvironment Temperature:-10ºC to 40ºC
Relative Humidity:≤75%
Atmosphere pressure:86 kPa to 106 kPa

Products List
Headlight 1 piece
A-3 Power Supply 1 piece
power cable 1 piece