Instructions: Turn the switch to OFF position before using solar power to recharge. Make sure the panel is facing the direct sunlight. While the red indicator is on, it's recharging and it needs about 12 hours to recharge(in strong sunlight). Turn the switch to OFF position before using AC power to recharge. Connect to the AC power and red indicator is on and it means it is recharging( about 15 hours). Twist the rotary switch, the CIS / counterclockwise rotating freely adjust LED brightness. If it is recharged through charger, the output working voltage is 6V, output working current is 0.6A. When the LED bulb is dark during usage, that means the battery is at the stage of discharging. At this moment, in order to protect the battery, please stop using, and charge it in time.(Please charge before the led bulb is dark fully, otherwise it would damage the battery) Camping lantern should be usually used, please don't long-term shelve it. If you don't usually use it, please charge it every 3 months, or it would effect the battery life. Cautions: The power and socket must be safe and standard. Please don’t shot the eyes directly, it would effect the eyesight. (Children must be instructed by adults) Keep away from rain or wet. The charging process must be far away from any inflammable and explosive materials. The charging time could not be more than 24 hours. (Suggestion charging in daylight time)