Anchoring security for cruising sailors! Find deep water easily from your dinghy. This unique pocket-sized depth sounder is very accurate and of very high quality. It is useful for boating, fishing, scuba diving, coastal survey, and scientific work. 

Wireless Log and Speed Computer without drilling. Windsurfers, improve your sailing skills and maximize your speed! Experienced sailors improve their performance by as much as 25%. No holes, wires, and virtually no drag or spin out! Waterproof and Shockproof!