“CREST CR-4 DIVE COMPUTER

With 3 different modes: Scuba, Gauge, Apnea, for diving and a watch mode.
Scuba – Acts as a standard dive computer and calculates your NDL, lets you know the stops you should make.
Gauge – Keeps track of your depth and dive time but doesn’t calculate your NDL nor tell you your stops.
Apnea – Free-diving mode for diving and a watch mode.

Support Modes:-
Scuba Diving, Free Diving, Instrumentation

Functional Characteristics:
– Rechargeable Battery
– Resettable Residual Nitrogen
– Resettable Settings and Dive Logs
– Fast-Charging Mode (Up to 85% in 1 hour)
– Medical Grade Silicon Wrist Bands
– 22mm Standard Wrist Strap (Can be replaced with 3rd party Watch Straps)
– 316 Stainless Steel Metal Parts for Weather Resistance and Rustproof

Made in Taiwan”