Archon D11V Diving Light Cree XM-L Lamp Outdoor Super-bright LED Flashlight 860 Lumens Flashlight 2 X Cr123 Or 1 X 18650 Li-ion Battery Waterproof Travel Flashlight(batteries are not included) Cree XM-L chip, 860lumens, color temperature: 5000k, 100M underwater proof Three output levels, high-low-Strobe, runtime: high: 70min, Low: 320min, strobe: 150min The light body made of durable aircraft-grade aluminum, Angle of light bean: 110 degree You may use it with Z01 diving arm, to adapter on trays or cameras or gopro camcorders. Portable, lightweight, good choice for travel, camping emergency, diving, sea searching...