1. USB lamp.   The operating voltage:4V                 

 Be used for computer USB jack directly, can may power source suitable orchestrate circumferential4V-6V,400mA     

2．Telephone light. May insert be put into use in the telephone set,convenient energy conservation directly.            

3. Built-in but charge battery. Inside there is high capacity recnargeable lead-acid battery (800mAH) freemaintain  

4. Durable recharge period more than 200 times.                      

5. Pair of functions adopt telephone but battery charging 20 to grow life-span,the Shan function adopts 10 to surpass hi-lite white LED light. LED lamp is low power conusumption and keep lighing about 8 hours.