1. Features: It can dive to a depth of 30M, and the brightness reaches up to 300 LUMEN. The back battery compartment is equipped with a sealing rubber ring, offering professional waterproofing. 2. There are 3 adjustable lighting modes. The strong - light mode can last for about 1 hour and 30 minutes, the low - light mode can last for about 4 hours, and the SOS mode can last for about 6 hours. 3. It is compatible with most action cameras and accessories, such as Hero 11, 10, 9 etc. Certain combinations can enhance the effect. 4. Material: plastic 5. Colour: black 6. Package Contents: - 1 x Diving light - 1 x Battery - 1 x USB cable - 1 x Tightening wrench - 1 x Base - 1 x Screw Only the above package contents are included, and other products are not part of the package. 7. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement error is approximately +/- 1 - 3cm.