hi-max led scuba diving flashlight3000lm

H8 was in a portable size with deeper and narrow reflector ,Throw more focused beam .This one is more suitable for senior diver or as a standby diving light (personal prefference).It has 3 modes with mode memory. Hi/Med/Strobe.To change modes - with the light ON just twist off and back on to cycle through all the modes switches, and has 3 seal O-rings on its tail thread. Added fins increase the surface area and can radiate the internal heat to the water passing by. Since water is a more efficient conductor than air, it can better dissipate heat away from the light when the LED is properly heatsinked . Waterproof over 100 meters .sea water resistance and high quality. For cave diving ,catching fishes, durable backup light. Also great for use during the day.