Product characteristics: a、Inside there is high capacity rechargeable lead-acid bartery (500mAH) free maintain. b、Durable recharge period more than 500 times. c、Use 9 long life and high brightness LED lamp. d、LED lamp is Iow power consumption and keep lighting about 6 hours. e、Output voltage DC3V and having more usage area. f、Packing:①blist card;②6Opc/CTN;③Meas: 54.5*49.5*53