1.ULTRA BRIGHT - 2 Pack High lumens flashlights use the IMPROVED XM-L T6 LED Chip, not other cheap XM-L T6 ones. 30% brighter than basic LED flashlight (Max lighting range: 826ft). Conveniently powered for hours with one 18650 rechargeable battery. (Batteries not included) 2.SMART DESIGN - Mini size & Anti-slip deaign, small enough to fit in your pocket, handbag, drawer, or car compartment. Also with comfortable hand rope, you can take the flashlights at anytime or anywhere. Great for camping, hiking, fishing, running, dog walking and emergencies. 3.ADJUSTABLE FOCUS & FIVE MODES - Powerful LED generates a brilliant large area floodlight or a perfectly focused spotlight. Adjustable focus with 5 modes: High, Medium, Low, etc. 4.WATERPROOF & HIGH QUALITY FLASHLIGHTS - IPX-6 , letmy tac light can waterproof from splashing water from any angle and heatproof. Made of aluminum alloy and rubber. aluminum alloy crust, abrasion resistance. Always bright with 50000h Life Span!