Note: 1. When use the battery power supply, you need to charge in time if brightness of the light significantly weakened. 2. This product can only work in DC condition. It can not work while charging. 3. Turn off the power when you do not use or charging. 4. You can not use liquid cleaners to clean the product. 5. You need to recharge in time when the battery power is not full, or the battery will be scrapped. Specification Portable LED headlight High intensity>15000—30000Lux Continuous run-time:>5 hour The power of the LED bulb:3 W The lifetime of the bulb:10000 hour Very small volume and weight Input voltage:AC100V/240V/50-60Hz Package includes: 1xLED head light 1xAdaptor 1xBattery 1xBlack case 1xUser’s manual book Packing weight: Approximately 280g