ULTRAFIRE E17 800 Lumen Zoomable and Waterproof LED Flashlight UltraFire E17 Touch Cree XM-L T6 2000 Lumen XML LED Light Zoomable led flashligh Waterproof Flashlight Features: 1. The body of this flashlight is built of high quality aluminum alloy, and it has a very solid construction 2. Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent 3. Excellent waterproof, suitable for outdoor environment, adverse weather conditions except for diving 4. Focus function that allow the beam can be focused. Specifications: 1. Model: E17 2. Emitter Type:CREE XM-L T6 4. Bulb Quantity:1 5. Light Color: White 6. LED Lifespan: 100,000 hours 7. Modes: 5 8. Mode Arrangement: Hi &gt; Mid &gt; Lo &gt; Strobe&gt; Sos &gt; Zoom in & out 9. Max Lighting Distance: 500 m 10. Battery Configuration: 1*18650/3 x AAA batteries (NOT INCLUDED) 11. Input Voltage:3.6-4.2V 13. Switch Type: Clicky/Clickie 14. Switch Location: Tail-cap 15. Lens: Convex Lens 16. Special Features: Zoomable 17. Material: Aluminum Alloy 18. Color: Black 19. Dimensions(L x Head Dia. x Body Dia.): 5.31 x 1.37 x 1.10 inch / 3.5 x 3.5 x 2.8 cm Package Includes: 1 X CREE XM-L T6 5 Mode Focus Flashlight Torch