this be the great flashlight for the cost . it be very bright , and the focus beam be very useful . they claim it be waterproof . I drop mine in water and it still work , kind-of . it be very dim and practically useless . grant , it sit in the water for about 5 minute , and it have a ph of 11 , so I think it go beyond the intended exposure . it 'll last forever in you garage , but if you be buy it for industrial use , do not expect it to last forever .