Item Type: Diving Flashlight Product Size: head diameter Approx. 50mm / 1.97in, body length Approx. 145mm / 5.71in Power Supply Battery: 1 x 18650 lithium battery or 1 x 26650 lithium battery (not included) Light Source: White light Light Gear: Click (highlight, medium light, low light); Double click (flashing); Long press ( burst flash) Material: Aluminum Alloy Protection Grade: IPX8 Diving Depth: Approx. 100m / 328.1ft Brightness: 3000LM Weight: Approx. 252 g / 8.9 oz 1、3000Luminous Flux: 1 XHP70 lamp bead is used, the flashlight can arrive 3000luminous flux, and the LED service life can arrive 100000 hours. 2、Aluminum Alloy Shell: Made of premium aluminum alloy material, the shell of the flashlight is wear resistant, scratch resistant, and possesses good heat dissipation. 3、Waterproof Performance: This flashlight is IPX8 protection, which possesses excellent sealing performance, waterproof and reliable to use within 100 meters underwater. 4、5 Modes: There are 5 modes for you to choose, they can meet your different underwater needs. Choose it with confidence! 5、Lightweight: This flashlight is light in weight, which will not increase your burden when you dive, convenient to use!