The body of this flashlight is built of aluminum alloy, and it has a very solid construction.Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent.Focus function that allow the beam can be focused.Ideal for outdoor activities lightning like mountaineering, camping, hiking, cycling, hunting, search and rescue inspections, etc. Type: FlashlightLumen: 800 LumensPower: 10WBulb Quantity: 1 PcLight Color: WhiteLED Lifespan: 100,000 Hours5 Modes: High or Middle or Low or Strobe or SOSLighting Distance: 500MPower by: 1 x 18650 or 3 x AAA batteries (Not Included)Input Voltage: 3.7VWorking Time: 2 - 4 HoursSwitch Type: Clicky or ClickieSwitch Location: Tail-capLens: Convex LensMaterial: Aluminum AlloyFeatures: Portable, Zoomable, 5 ModesSize: 13.8cm x 3.9cm or 5.43" x 1.54" (Approx.) Notes:Due to the light and screen setting difference, the itemand 39 s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 x Flashlight1 x Battery Holder for AAA Battery1 x 18650 Battery Plastic Tube1 x Wrist Strap Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.