Tusa TC1 Wrist Scuba Diving Computer Color:Black It runs on a standard

It runs on a standard CR2032 battery

while the ergonomic mouthpiece is made from hypoallergenic silicone for comfort during breath-hold diving and extended excursions

The Tech/Data Pocket is a heavy-duty drysuit pocket made from durable CORDURA fabric designed for the Technical / Cave diver looking for a high volume pocket

while the drainage grommets promote quick drying

Tusa TC1 Wrist Scuba Diving Computer Color:Black It runs on a standardTUSA's TC1 Wrist Scuba Diving Computer combines style and reliability for divers of all levels. Whether you use it as your primary computer or as a dependable back up, the TC1 delivers a clear, intuitive display and straightforward menu navigation. Its long life rechargeable Li Ion battery keeps you diving confidently through the day. Built for safety and versatility, TC1 supports Scuba, Plan, Free diving and Gauge modes and is based on the Buhlmann