Beaver LED Diving Strobe 

Flashing High Intensity LED Strobe Light with velcro closing adjustable attachment strap. Requires 1 standard C size battery. Use to maintain contact in dark or limited visibility conditions, up to 3.4 km range, up to 8 hours continuous flashing. RoHS compliant and waterproof to a depth of 50 meters.

COLOUR BLACK.

This product is no longer made by Beaver. It is by far better than the diving strobes that have a single LED (not as bright)