Description: High-quality features: Built-in lithium battery: 2600mAh lithium battery, can be charged via USB cable at any time, 84 high-brightness LED lamp bead design, 5000lux, 5500k color temperature. 50 meters waterproof: The underwater light is waterproof up to 164 feet, allowing you to take the photos and videos you want under the sea, bringing you perfect visual effects. 4 lighting modes: 4 lighting modes: high, medium, low and SOS models to meet your needs in different environments. High Quality: Stainless steel and ultra-durable PC material, it will not rust even when used in deep sea. Compatible: Suitable for - Gopro series, Canon Nikon Pentax DSLR cameras and other DSLR cameras or other action cameras. Specifications: 4 lighting modes: High light mode: about 2.5 hours Mid-light mode: about 3.5 hours Low light mode: about 5 hours SOS mode: about 9 hours Battery: Built-in 2600mAh lithium battery LED lamp beads: 84 LED high-brightness LED lights Pearl Lumens: 5000lux Color Temperature: 5500k Waterproof: 50m/164ft Material: Stainless Steel + PC Dimensions: Approx. 6.6x11.5cm/2.59x4.5in Note: Other demo accessories are not included. Please allow 1-3mm error due to manual measurement. Please make sure you don't mind before ordering. Since the pictures may not reflect the actual color of the item due to differences between different monitors, please make sure you don't mind before ordering, thank you Packing list: 1 piece 50M waterproof diving light 1 piece mounting adapter 1 piece thumb screw