Description:-Mechanical rotating zoom system， more precise and studier， easy to adjust between spot and flood-Powered by 18650 battery or AAA batteries， allow for easy replacement battery anywhere in the world-3 modes for increased versatility: high/low/strobe， push-button tail switch for one-handed operation-Water-resistant， skid-proof and shock-proof design-This light is that there is a twist wheel by the top that will allow you to have a broad light projection or a very narrow one. When narrowed， the light is super concentrated and therefore super bright- great for finding lost things in the dark!Specification: -Material: Aircraft aluminum alloy -Light Source: Cree XPE R2 -Light Output:1800 lumens -Beam Distance: 300 meters -Run Time: 3 hours (High) -Battery Type: 1pcs 18650 battery or 3pcs AAA batteries -Switch Type: Tail-cap push-bottom switch -Light Mode: High/Low/Strobe -Focus: Mechanical rotating focus -Water-Resistant: IPX5 -Dimension: 35mm(Head)*28mm(Body)*134mm(Length) -Net Weight: 342 g Packaging Included: 1 x 1800 Lumens led flashlight