GBB Portable Tactical Flashlight - Ultra Bright 1000 Lumen CREE XML T6 LED Rechargeable Zoomable Handheld Torch, 3 Modes, Water Resistant for Outdoor Hiking Hunting Camping 1. Multifunctional Cool Cree XML-T6 LED Bulb Flashlight, adjustable focus, support Zooming in and out, super bright as 1000 lumens, lighting 500 feet long. 2. Flashlight Power Source: 1 x 3.7V 18650 Battery( not Included) or 3x AAA battery (not Included) - quite convenient and more common. 3. 3 Switch Modes: Low / High / Stroboflash, with ON/OFF button, easy to operate. 4.Rugged Aluminum Construction, greatly improving the durability. Small size(13.5x3.5x2.8cm) and Slightweight(150g), IP65 waterproof. 5.Tactical flashlight to illuminate in the dark, but also provides a number of measures to deal with risk. Great gift for father day. Supply 1 year warranty and customer service.