Input voltage (V): DC 5V
Luminous efficiency of the lamp (length/width):-
Color rendering index (Ra): 70
Dimmer supported: Yes
Service life (hours): 30000
Working time (hours): 30000
Power supply: Rechargeable battery
Lighting period (hours): 3
Battery type: lithium polymer battery
Lamp body material: ABS+PC
Color: Black
Light source: LED
Material: ABS+PC
LED light source: 5W LED + 5W COB
Battery: 1800mAh polymer lithium battery
Headlamp output: 450lm
Working time: 5 hours