WINDFIRE Waterproof Hunting CREE Green Light LED Coyote Hog Hunting Light Lamp Tactical Flashlight with Pressure Switch and 45&deg;Side Picatinny Mount Rail Offset Ring Side Mount (Battery not Included) tactical gear flashlight, Material: 6061T Aluminium Bulb: CREE Lumens: 250lumens output(Max) Two switch mode:remote pressure switch/Tactical Tail Switch Come with 20mm rail mount & A 45 offset mount,Powered by: 1 x 3.7V 18650 battery (battery not included) Waterproof, can use it in rainy day