Here’s an LED flashlight that you can use underwater

The  YP-9304 CREE 5-Mode White Diving Flashlight will laugh at any rainstorm you find yourself in, because this flashlight has been designed to operate up to 40 meters underwater!  It has a black anodized aluminum body, one XM-L cool-white emitter, and produces 500 lumens.  Operating modes are high, medium, low, slow strobe, and SOS.  A [...]

Source: http://the-gadgeteer.com/2013/04/29/heres-an-led-flashlight-that-you-can-use-underwater/

XILINX WESTERN DIGITAL VOLT INFORMATION SCIENCES VISHAY INTERTECHNOLOGY VIRGIN MEDIA