This product must use 5V charger run out of battery should be consumed so as not to affect the battery life can not be direct exposure to the eyes super bright light will damage the eyes when inserting the battery should pay attention to the anode and cathode (1) solar battery socket board (2) rotating focus (3) adjust headlight (4) on the position can be adjusted

(5) solar charging indicator (6) charging holes (7) headlights with