The lamp plate adopts the high quality lamp bead, substrate for aluminum plate, using MICRO USB power supply interface, convenient access to the ordinary mobile phone charger and mobile power use.Set the working current is larger, the current value in 430 ma ~ 470 ma, can ensure the enough brightness, and have better heat dissipation design, not too hot.The current limiting resistor of form a complete set with 1210 large encapsulation, not ordinary LED small night light sheet resistance of 0805 small package.