1.Brand Name: UltraFire2.Model Name: T64.LED Emitter: Cree XM-L T65.Mode: 5-Mode (high - medium - low – Strobe - sos)6.Lamp Life: 100，000 Hours7.Color: black8.Emitted Color: White Light9.Switch: Tail Cap Clicky/Clickie10.Lens: Convex Lens11.Case material:Durable aircraft-grade aluminum12.Battery: 1 x 18650 / 3 x AAA (No Battery!!)13.Dimensions: 159/137mm (L) x 35mm (HD) x 28mm (TD)14.Net Weight(g): 1403.Quantity: 1 PCSWaterproof， Can be used in the rain day， but don't put into the water.Suitable for:Camping， hiking， Backpacking， Hunting， Fishing， Auto Emergencies， and Home RepairPackage：1 x E17 flashlight (No Battery!!) FeatureSet of lightweight， practical， compact， bright in one!Attack on the head design， easy to deal with various mutations environment;5 files dimming， and can freely control; Easy to carry， is a good helper for outdoor travel.United States imported CREE T6 bulb， 500 lumens (lamp life of up to 100，000 hours or more)， which eliminates the trouble of replacing the lamp.Living water， rain and corrosion! Easily cope with harsh environment