Specifications: 1. Model: SS-A1002. Emitter Type:CREE XM-L T63. Brightness: 2200 Lumens4. Power: 8W5. Bulb Quantity: 16. Light Color: White7. LED Lifespan: 100，000 hours8. 5 Modes: high / low / strobe / zoom in / zoom out9. Lighting Distance: 500M10. Battery Configuration: 1 x 18650 or 3 x AAA batteries ( NOT INCLUDED )11. Input Voltage:3.6-4.2V12. Runtime: 2-4 hours13. Switch Type: Clicky/Clickie14. Switch Location: Tail-cap15. Lens: Convex Lens16. Special Features: Zoomable17. Material: Aluminum Alloy18. Color: Black19. Dimensions(L x Head Dia. x Body Dia.): 5.31 x 1.37 x 1.10 inch / 13.5 x 3.5 x 2.8 cmIdeal for outdoor activities lightning like mountaineering， camping， hiking， cycling， hunting， search and rescue inspections， etc. long time using life.Package Contents:1 X CREE XM-L T6 Flashlight1 x 18650 Battery Plastic Tube1 X Arming Strap