[Long range spotting beam: The 16sx scuba dive lights has a maximum output of 2000 lumens with a color temperature of 5500K cool white light and a narrow 6-degree beam angle that provides focused and intense illumination that easily penetrates the darkness to help you see targets up to 300 meters (984 ft.) away providing you with reliable dive lighting support IP68 waterproof rating and solid construction: This dive light is made of aircraft-grade aluminum alloy material and the housing hard anodized to a thickened level which is resistant to abrasion and seawater corrosion. Professional IP68 waterproof rating performance ensures that the dive flashlight supports diving activities up to 100 meters underwater Portable rotating magnetic switch: The diving flashlight has 5 lighting modes (high/medium/low/SOS/slow flash) which can be easily switched by the rotating magnetic switch which can be operated blindly even when wearing dive gloves and can flexibly cope with a variety of underwater environmental needs and the switch can be detached and flushed to solve the problem of sediment stagnation Power indicator: The scuba flashlight support Type-C fast charging 3 hours fast back to full charge. Real-time power indicator blue light is always on (30% power) red light is always on (10%-30%) red light flashing (< 10%) to remind timely charging to ensure the safety of underwater activities. This function reminds you to disembark in time during underwater activities Multi-functional underwater companion: the scuba dive flashlight specially designed for underwater activities whether it is scuba diving snorkeling cave exploration underwater photography lobster fishing and even night fishing salvage operations underwater archaeology the 16SX scuba dive light is an indispensable professional dive equipment to meet the needs of multi-scenario use enhance the efficiency and fun of underwater operations Product after-sales: We provide one year full after-sales support]