Model:AA01 Battery:2.4V1.3AH(Nichle and Hydrogen Battery) Functions:Auto stop when fully charged,Auto power off when used up,Counterfeit bill detetor,Explosion protection,Durable bulb(LED lifespan:10000 hours), Indoor and vehicle chargeable,Shock resistant(It can not be broken affter being dorpped at the height of 1 meter incidentally,but being dropped purposely is prohibited.) Continuous illumination hours:8-10h(3 pcs LED)