CREST - CR4 Dive Computer - One watch to access all needs. (ไดฟ์คอม)

Crest CR4 Dive Computer - One watch to access all needs. Support Modes - Scuba Diving, Free Diving, Instrumentation. - 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. Functional Characteristics - Rechargeable Battery. - Resettable Residual Nitrogen. - Resettable Settings and Dive Logs. - Fast-Charging Mode (Up to 85% in 1 hour). - Medical Grade Silicone Wrist Bands. - 22mm Standard Wrist Strap (Can be replaced with 3rd party Watch Straps). - 316 Stainless Steel Metal Parts for Weather Resistance and Rustproof. Crest CR4 dive computer fits the bill for many divers of different interests and diving experiences. Along with it, Nitrox comes standard up to 56% and allows for configuration for the safety factor – conservative, normal and aggressive, very similar to that of Suunto’s function on the D5. The interface is clear and easily read when underwater (honestly the interface looks exactly like a Teric without color), and it comes with a backlight that turns on when you hold it up. Sporting a very respectable 25 dives with back-light turned-on on, a full charge, and 3 months on standby mode. In our last 8 days Bali trip (18 dives), we have only fully charged it once when we landed. The computer uses a rechargeable lithium-ion battery. The battery life is exceptional even in comparison to diving computers 2-3 times its price. It also comes with fast charging (up to 85% in 1hr). Bottom time and depth can be easily set through the menu and the diver’s residual nitrogen time, dive settings, and logs are easily resettable. Hardware-wise, the computer has a screen resolution of 110×110 pixels along with 316 stainless steel bezel and K1 tempered glass, it's sure able to take a good beating. Specification Operating Depth Limit : 100 meters / 330 feet Multiple Modes : Scuba, Gauge, Apnea Mode Air and Nitrox : Oxygen 21%~56% Algorithm : Buehlmann ZH-L16C Safety Factor : Conservative, Normal, Aggressive Battery Type : Rechargeable Battery Battery Life (Dive Mode) : 25 dives with backlight on Battery Life (Standby mode) : up to 3 months Dive Log storage : 200+ Screen resolution : 110 x 110 PIXEL Display size : 2.9cm / 1.14" Weight : 95g±5g Bazel and Button : 316 stainless steel Lens : K1 tempered glass Straps : 22MM anti-allergic silicone Temperature Displayed : 0°C ~ 40°C (32°F ~ 104°F) Operating Temperature : -5°C ~ 40°C (23°F ~ 104°F)