Diving lens from the company Alpin has a brightness power of 1600lm and can be used at depths up to 300 meters underwater. It illuminates up to a distance of 300 meters away and is ideal for activities such as cave exploration, underwater photography, and spearfishing. Whether you are at great depths or conducting night dives, the presence of artificial light is essential. It has a wristband for greater comfort and safety. With a full charge, it has a maximum usage time of up to 300 minutes (The usage time of the lens depends on the brightness intensity used).