1Portable underwater lighting and photography fill light, using LED from the United States. 2Aviation aluminum material, threelevel hard oxidation treatment shell can prevent seawater corrosion. 3With a unique safety device, greatly improving the safety of the lamp, make sure your diving safe. 4Professional underwater lighting, water resistance can up to 100 meters/328.1ft. 5Lightweight and portable, fine workman, wearresistance, has long service life. Condition: 100% Brand New Item Type: Diving Flashlight Material: Aviation Aluminum Color: Black Light Source: 10 x XHP504 Core Bright LED (Color Temperature 6500K) +4 x XP-E N3 (Wavelength 620nm) Light +4 x Violet Light (Wavelength 410nm) Maximum Brightness: White Light (Fill Light) 15000 Lumens, Red Light 400 Lumens, Purple Light 12 Watts Light Angle: 120 Degree Photography Fill Light Working Voltage: 3.0V-4.2V Lamp Head Diameter: Approx. 65mm/2.6in Length: Approx. 125mm/4.9in Lens Specifications: Approx. 6mm/0.2in (Imported PC Material) Battery Model: 18650 x 4 [Lithium Battery] (Not Included) Waterproof Depth: Approx. 100 Meters/328.1ft Instructions For Use: 1. On-Off Function: Press 1 Cycle Mode Is White Light: High-Medium-Low-Long Press To Turn Off). Press 2 Cycle Mode Is: Red Light-Red Light Flashing Slowly (Beacon Light)-Purple Light / UV-Long Press To Turn Off). Press 2 Double-Click The Red Light And Purple Light To Flash Alternately. 2. Power Indicator: 100%-40% Lights Up Green, 40%-100% Lights Up Red. 1 x Flashlight 2 x O Rings 1 x Wrench 1 x Screw 1 x Button 1 x Round Bracket 1 x Metal Frame 1. The flashlight has a special structure and is installed with professional tools. Disassembling it by yourself may damage the flashlight.2. Before each dive, please carefully check whether the waterproof position of the flashlight is tight. If it is loose, please tighten it before use.3. After each dive, please rinse the flashlight interface thread and surface and on/off with clean water. When the on/offis slightly stuck, you can use detergent to clean it. After the flashlight is dry, you need to use waterproof lubricant on the flashlight thread interface again.4. Please turn off the light during transportation or when not in use, or turn it counterclockwise one turn to prevent the light from being turned on accidentally.5. Charge the battery in time after each use. If you do not use it for a long time, please charge it every 3 months for the next use. Do not knock the flashlight, and prevent it from heating and corroding.6. Do not leave the flashlight turned on unattended.7. Do not allow children to use this flashlight when there is no adult supervision.8. Do not direct the light of the flashlight into the eyes of people or animals.9. Do not cover the lamp head when the lamp is turned on, so as not to burn the lens.