PRODUCT FEATURES: 1.Import big power LED,long life and small heating 2.Intelligent micro-computer control,easy operation,safety and noise fee 3.Touch button that feel more comfortable and convenient to operation 4.Super-capacity ion reachargeable battery,charging time can be used continuously for more than 50-80 times 5.Automatic shutdown,low battery alarm 6.High solar energy conversion rate,green energy 7.Beautiful surface of aluminum 8.Built-in power supply,effectively prevent the drag,dusty and waterproof 9.Scope of application: sensitive 420-480mm wavelength for the curing light TECHNICAL PARAMETERS: 1 voltage range of the charge 110-240V AC 50/60Hz 2 lithium battery/ standard capacity 3.7v-4.2v/ 2200mAh 3 working mode stronge light,gradually brighter,flashes 4 linput power 5w 5 battery life 1.5million treatment(20s is commended one treatment) 6 charge one time can use about 250 treatment 7 charging time about 6-8 hours