Features: - Built-in rechargeable lead-acid battery with up to 750mAh capacity and more than 300 times ultra long life; - Uses high-power ultra bright environmental friendly and durable LED light; - Brightness is optional. Usage: - Push out the AC plug and plug it into the AC 220V/50Hz power socket to charge the product (Charging LED indicator light turns on at the moment) ; Charging time is about 9 hours; - Push the switch to mode 1 for low illumination mode 2 for high illumination; Toggle the switch back to turn off the light; - After the product is fully charged it can be used non-stop for about 16 hours when in low illumination mode about 9 hours when in high illumination mode; - When light becomes dark it means that the battery is in full discharge state; At the moment you should stop using the product and charge it immediately so as to protect the battery; - If it is not in use for long time pls charge it per two months once more than 9 hours; Otherwise the battery life would be shortened. Notes: - To make it more durable pls charge it before use; - To avoid burning out LED or inner components do not use it during charging; - Do not shine the light in eyes (Children should use it under adults' guidance); - Keep this product away from rain and wetness; - Please put it away from the inflammable and explosive dangerous goods when you charge up the battery. Don't charge the battery exceed 16 hours.