A. LED Max Power: 620 LUMENS 

B. Power output: 5.0V 2000mAh.

C. Charger time: 3.5 hr.

D. Active time: 3 hrs+

E. Storage temperature:-20 dgree C to 70 degree C

F. Operation temperature:-5dgree C  to 50 degree C

G. Charger input:AC100~240V 50/60 Hz

H. Keep the LED light away from fire / water or heat /damp place.

I. Do not immerse the LED light in water / solvent.

J. Do not shine the LED light directly on anybody’s eyes