SecurityIng Waterproof 1000Lm XM-L2 U2-1A LED IP68 Diving Flashlight 250M Lighting Distance Maximum 150 Meters Underwater Distance with Magnetic Switch (Without Battery) IP68 Waterprool Level: The brightness can be up to 550LM. Providing a depth rating to 150m(492ft). Magnetic Button: The magnetic button switch is easy to operate on / off and change modes as well as high waterproof 3 Modes & Compact Size: Lo &gt; Hi &gt; Strobe, the whole flashlight is compact and practical to make it a diving flashlight. High Quality Material: Adopting high quality 6060-T6 aircraft aluminum, the flashlight is durable to use. Power Source: Powered by 1 x 18650 3.7v battery (Not included)