This headlight is USB interface, without battery and it can be connected to external power bank to use. It is best to use a power bank with a charging current of less than 1A, which can better protect the LED.
Color temperature:6000-6500k white light / 4000-4500k yellow light
4.5cm 20000lux @20cm
7.0cm 10000lux @30cm
10.5cm 5000lux @40cm
(Note: under the working distance of 20cm, the spot diameter is 4.5cm, and the light intensity is 20000lux.)
Product advantages :
The lamp cap is mini and compact, high brightness and focus lighting, suitable for holding glasses, goggles, medical magnifying glass auxiliary lighting.
LED cold light source up to 50000 hours, durable service life
The parcel includes:
headlamp *1(with filter)