describeSize: length 7.09cm, head diameter 1.85cm, body diameter 1cmUltra-bright tactical flashlight: Using XM-L2 LED chip, the focused beam is strong, and the maximum brightness is 2000 lumens; equipped with an upgraded SMO lighting reflector, it can illuminate longer distances up to 500m. It can last 2-3 hours while maintaining production.Green Comfortable Hunting Light: The flashlight is specially designed for hunting and searching, the green light is friendly to the eyes of animals and can help you find your target instead of scaring them away in the dark. And green light is not as harsh as other lights, which can make our eyes more comfortable and relaxing.Durable and Portable: The LED flashlight case is made of aluminum alloy, which is sturdy and durable, and the lens is made of coated glass, which will not reduce the light output like ordinary tinted glasses. Small in size, it can be easily put into pockets, small bags, and it is equipped with a lanyard, which can be hung on your fingers when in use to avoid loss.RECHARGEABLE BATTERY AND WATERPROOF: The flashlight uses 1 18650 rechargeable battery (included), you can use the battery charger to charge the battery without changing other batteries. The waterproof rating is IPX-65 and can be used in rainy, snowy or other extreme weather conditions, but it is not allowed to be submerged in water.