Ocean Reef Vesper - Integrated HeadlightVesper Integrated Headlight *This product is compatible with all OCEAN REEF IDMs from the SPACE and Neptune lines. The all new Vesper is a lightweight, powerful, easy to use, fully integrated secondary diving light. Its reduced size and patent pending placement inside the mask results in a unit that increases the negative buoyancy of the system while being incredibly comfortable. The Vesper is: smaller, lighter than the VL, doesnt require adhesive or