Land Shark Hand Sanitizer Dive Computers and it is designed to

and it is designed to work like a chimney effect forcing air circulation away from the lens

Option to exclude audible alarms: Yes

The soles are completely covered in thermo-rubber to give them an excellent grip on boat decks

Wireless Mode: Low-Frequency RF 38kHz

External GPS/GLONASS antennas provide increased flexibility and installation options as well as the potential for enhanced reception of GPS/GLONASS signal for those products with built-in GPS/GLONASS antennas

Land Shark Hand Sanitizer Dive Computers and it is designed toFormulated with pure grain derived alcohol to kill germs on contact. Our specialized formula leaves hands feeling moisturized while leaving a naturally clean fragrance. Perfect for when soap and water are not available. Hand Sanitizer should never replace proper hand washing, BUT it is great for when soap and water are unavailable!