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![](https://ae01.alicdn.com/kf/Ubb0cc0d9101644a38a4f35b908dd1882a/CR4-100-Nitrox.jpg) ![](https://ae01.alicdn.com/kf/U522a1af8ba8f4fc48f4b04a074564dacM/CR4-100-Nitrox.jpg) ![](https://ae01.alicdn.com/kf/Uab2d29fd9db345b782324aebbc877786l/CR4-100-Nitrox.jpg) ![](https://ae01.alicdn.com/kf/U35f4137a21f94cf4ab0f3b97b42b7e78v/CR4-100-Nitrox.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/Ubb0cc0d9101644a38a4f35b908dd1882a/CR4-100-Nitrox.jpg) ![](https://ae01.alicdn.com/kf/U522a1af8ba8f4fc48f4b04a074564dacM/CR4-100-Nitrox.jpg) ![](https://ae01.alicdn.com/kf/Uab2d29fd9db345b782324aebbc877786l/CR4-100-Nitrox.jpg) ![](https://ae01.alicdn.com/kf/U35f4137a21f94cf4ab0f3b97b42b7e78v/CR4-100-Nitrox.jpg) ![](https://ae01.alicdn.com/kf/U671388f8d821406fb5f0787654e3041dM/CR4-100-Nitrox.jpg)
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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 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
Specification
Operating Depth Limit: 100 meters / 330 feet
Muitiple 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)
This dive computer fits the bill for many divers of different interests and diving experience. 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 colour), and it comes with back light which 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 full charged it once when we landed. The computer uses rechargeable lithium-ion battery. The battery life is exceptional even in comparison to dive 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 bazel and K1 tempered glass, its sure able to take a good beating. And did i say it was almost half the size of a Zoop ?
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