Genesis React Pro Dive Computer in Metric Console, CG3909M

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About Genesis React Pro Dive Computer in Metric Console, CG3909M

ReAct Pro Compact Console includes a dive computer and 400 bar pressure gauge w/temp. Computer and Pressure Gauge are 1.75" (44.5mm) diameter. The ReAct Pro has an intuitive operation and display, with large easy to read numbers and a clean matter-of-fact screen that gives you what you need to know about your dive when you need it. Computer can be used for air and nitrox diving, and has a gauge mode option. The module measures 1" (25.4mm) thick by 2.1" (53.34) in diameter.

The ReAct Pro can be programmed easily to operate in either imperial or metric measurements. The time can be run in a 12 or 24 hour format. The computer is water activated so there is no need to turn it on before you jump in the water. The computer has a common CR2450 consumer replaceable battery, guaranteeing you won't be on a once in a lifetime tropical vacation with a computer that needs factory battery replacement.

Computer can log up to 50 dives in its memory, so not to worry on a day-by-day bases when you're on vacation having fun, just wait to you get home and with an optional download cable you can upload all your memories onto your PC with full color graphics and key dive profile information. Computer also keeps a history of dive hours, so you can always see how many hours you have enjoyed your diving fun.

Night diving is aided with the HydroGlow back lighting which also comes in handy when on a cave or wreck diving adventure. If altitude diving is your thing the computer will automatically adjust up to 14, 000' (4267.2 meters). Maximum operational depth is 330' (100 meters), there is an automatic safety stop countdown timer and of course full decompression stop countdowns when required.

If you're diving Nitrox the computer has a 21% to 50% FO2, Nitrox indicator icon, 50% FO2 default function that is user selectable. The computer also will display O2 saturation both on the dive and on the surface along with FO2 display the same. In the computer surface mode you get surface interval time from first activation, current temperature, number of dives in the current series and the time and day.

Computer has both visual and audible alarms. The audiles can be disabled if you like to dive silent, or if you are one who gets excited when diving and need an audible reminder when critical dive information is important to know you have the option. Alarms can be set for depth limits, ascent speed limits, O2 and many others. So if you are looking for a computer that will give you the edge of safety in an easy to use and read format the ReAct Pro is what you are looking for.

Pressure Gauge reads pressure up to 400 bars and features a thermometer for temperature readings. As like the depth gauge, the SPG has high visibility graphics with bright red from 0 to 50 bars reserve air orange indicators between50 to 100 bars for extended reserve air for deeper dives and blue between 100 to400 bars. Pressure Gauge face is also luminescent.

Gauge is a small compact 1.75" (44.5mm) diameter, hose has a 360° Swivel Assembly and all the instruments are protected with a sleek impact resistant rubber boot that has dual rubber eyelets for attachment of a lanyard or clip keeping the diver streamline and reef and environment conscious. Genesis ReAct Pro Console is also available in imperial version (see SKU: GNSRAPC).

Warranty Information

This product has a limited warranty of 24 months.

Genesis React Pro Dive Computer in Metric Console, CG3909M Features

  • Computer Features:
  • Intuitive operation and display
  • Air/Nitrox or Gauge operating mode.
  • Expanded memory for dive profiles - access to up to 110 dives.
  • Deep stop reminder - conforms to latest theories recommending deep stops for dives that exceed 80' (24.4 meters)
  • Digital and bar graph indicators for nitrogen or oxygen limits.
  • Audible and visual alarms - diver selectable.
  • Consumer replaceable battery.
  • PC downloadable profiles.
  • Three screens in Dive Mode - User Selected.
  • Air/Nitrox - User Selected.
  • Imperial or metric - User Selected.
  • Dive log sample rate - User Selected.
  • Pre-dive planning: Depth - User Selected.
  • Time of Day (dive & surface).
  • 24 HR. or AM/PM.
  • Month and day display.
  • PC downloadable.
  • Large 270° nitrogen absorption graph.
  • Maximum depth - 330' (100 meters)
  • Deco stops to 60' (18.3 meters)
  • Safety stop countdown timer.
  • Water or manual activation.
  • Visual warnings and alarms.
  • Automatic altitude adjustment - to 14,000' (4267.2 meters)
  • New long-life, consumer replaceable battery.
  • Hydro-Glow illumination (dive & surface).
  • Surface Mode:
    Surface interval time from first activation.
    Current temperature. Number of dives in current series.
    Time of day.
  • Nitrox Mode:
    21% to 50% FO2.
    Nitrox indicator icon.
    50% FO2 default - User selected.
    O2 Sat display (dive & surface).
    FO2 display (dive & surface).
  • Pressure Gauge Features:
  • 360 degree rotational swivel assembly
  • 400 bar gauge
  • Temperature gauge
  • High Visibility Graphics
  • Luminescent Dial
  • Strategic Color Coded for Safety

Genesis React Pro Dive Computer in Metric Console, CG3909M Specifications

Audible Alarms:
Depth Display:
Altitude Adjustable:
Yes. Automatic.
Operating Modes:
Air/Nitrox Or Gauge.
Back Light:
Memory Capacity:
Up To 110 Dives.
Time, Date & Temperature:
Imperial/Metric Display;
Dual Time And Daily Alarm:
Air Integrated:
Pressure Display:
Weight [with packaging]
1.55 lb
Mfr #

React Pro Dive Computer in Metric Console, CG3909M Customer Reviews

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Genesis React Pro Dive Computer in Metric Console, CG3909M

(based on 1 review)

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Reviewed by 1 customer

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Works perfectly

By SSgtPitt

from Colorado Springs, CO

About Me Casual/ Recreational

See all my reviews


  • Easy To Use
  • Functional
  • Improves Diving Experience
  • Lightweight
  • Solid Construction


    Best Uses

    • All Diving Applications

    Comments about Genesis React Pro Dive Computer in Metric Console, CG3909M:

    Works perfectly. Bought one for the wife 2 years ago then bought one for me this year. Easy to use and read and very simple to operate. The React Pro is cheap enough you could buy two to have one as a spare....which i highly recommend.

    • Was this a gift?:
    • No

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    Questions & Answers Powered by TurnTo®

    Questions about this item:

    M H  I can't decide where this ty;pe of computer is better than a wrist one. is there anything you can tell me that can be helpful? does this one weight a lot?
    M H  Hi Stacy, that's really helpful. Weight is about the backlight?
    Shopper  Do you stock this computer with the temperature in degrees Celsius on the pressure gauge?
    LeisurePro S  Yes, contrary to the picture, does in fact come with a metric pressure gauge with the temperature reading in Celsius as well.
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