Round and Flat LED Torches,Flashlings 1.Round and flat aappearance 2.Using for power failure,and emergency 3.Good quantity Round and Flat LED Torches,FlashlingsFeatures:1. 3 LEDs2.Using 2 NO.5 batteries,when you instal the batteries,please notice the battery is "+"or "-" .Batteries sustainable engineer is 30 hours.3.A crystal button to turn on and turn off