Diveable emergency strobe. This waterproof strobe light is an emergency personal locator that is highly visible when activated. The large toggle switch allows for easy operation, even with wet or gloved hands, of the red and white strobe modes, as well as the constant-on function. The Princeton Tec Meridian is designed to be low-profile and adaptable to a wide range of uses including easy attachment to PFD, SCUBA tanks, or any 1" webbing. With an IPX8 rating and a 100 hour runtime, this waterproof safety light is built to withstand the rigors of diving.