DescriptionFlashlight body type: 501BLight source: UV LEDLED Brand: CREEModes: 1Working voltage: 3.7V-4.2VBattery type: 1x18650 li-ion battery (Not-included)Body materials: Aluminum alloyReflector: OP aluminumSwitch type: Tail ClikieLighting range: within 50 metersSize:132mm(Length)*29mm(Diameter)*30mm(Lamp Head)Included1x 501B LED flashlight