The Meridian LED emergency strobe and locator light is visible for over a mile. The toggle switch allows for operation of red and white strobing modes. The body is designed to be low-profile and adaptable to a wide range of uses: easy attachment to PFD, SCUBA tank or any 1" webbing is possible. Built to withstand the rigors of diving, the light is waterproof to the IPX8 standard depth: 100 meters. Made in USA.