Feature: 1. Equipped with 1/4 inch screw hole, including ball head and cold shoe adapter, you can install the LED light on the camera. 2. It is composed of bright LED patches, high efficiency, energy saving, power saving, minimal light loss, which makes the shooting effect and the picture is more vivid. 3. The shell is made of PC110+ aluminum alloy composite material, which has strong drop resistance, heat resistance, flame retardancy and flexibility. Suitable for outdoor activities such as camping, underwater photography, etc. 4. Multiple lighting modes are suitable for different scenes: S1 white light (strong light, low light, SOS, shutdown) 4 gears cyclically switching. S2 2‑color light (red light, blue light, off) 3 gears cyclical switching. 5. This product can be used as a flashlight after it is connected to the waterproof case by optical fiber. When used with a waterproof case, just connect the waterproof case to the fill light. Specification: Item Type: Diving Fill Light Material: PC110+ aluminium alloy Color: As Pictures Shown Product Size: Approx. 144.7x103.9x61.3mm/5.7x4.1x2.4in Weight: Approx. 1016g/35.8ozMode: optical fiber flashing, strong light, low light, SOS, red light, blue light Brightness: 6000lm, 6000 lm, 2600lm, 2600lm, 3.5W, 3.5W Battery life: ≥5000 times, ≈1.0 hours, ≈2.0 hours, ≈4 hours, ≈6 hours, ≈8 hours Battery Specifications: Rechargeable 4 x 18650 lithium battery Battery capacity: Built-in 4 x 18650 battery 3000mAh Control mode: optical fiber flashing + button + knob Waterproof depth: 40 m /131.2ft LED specification: white light: 6 x 7000-7500K, red light: 6 x 3.5W, blue light: 6 x 3.5W Exposure Angle: 120 degrees LED life: 50000 hours How to use:1. Fix it to the top of the camera or the camera cage through the cold shoe mount 2. Long S1 key to turn on, click S1 to adjust brightness, rotate S1 key to adjust color temperature 3. Click the S2 button to switch between blue light and red light 4. When connecting the camera waterproof case, use the fiber optic flashing cable to connect the camera waterproof case and the fill light. Package List: 1 x Fill Light 1 x Hot Shoe Adapter 1 x Optical Fiber Flashing Line 1 x Ball Head 1 x Screw 2 x Fiber Line Connector 1 x Hex Wrench 1 x Manual