This is the Cressi Donatello 2 (Global Fluo) Gauge Console Scuba Diving Computer and Pressure Gauge Features: Deactivation Option of Dive Functions: Avoids Alarms While Snorkeling or Swimming High Contrast Display for Excellent Viewing Even in Bright Sunlight Heavy-Duty Case w/Steel Button Depth Rating: 393' (120m) High Contrast Display w/Extra Large Numbers & Easy Access Menu 12/24 Clock Format w/Calendar High-Power Backlit Display for Low Light & Night Dive Conditions Low Battery Icon Imperial or Metric Units of Measurement Algorithm: Cressi-Wienke RGBM for Complete Diving Data Processing Air or Nitrox Configuration Graphic Indicator of CNS Toxicity Level of Oxygen Safety Stop Indicator Multiple Level Safety Factor Configuration Altitude Configuration Up to 2,140' (3,700m) Algorithm for Managing Uncontrolled Ascents Desaturation & No Fly Time Calculator Suitable for Repeated, Multiday Decompression Visualization of Time While Diving Add / Remove Deep Stop Alarm In Case of Breach of Ascent Speed Decompression or PPO2, Ability to Disable Ascent Alarms PPO2 1.7 psi-23.2 psi (1.2 bar-1.6 bar) Configuration w/Mixes of 21% to 50% Oxygen Planning Scroll Function of No-Decompression Limits Maximum Dive Depth Alarm Ability to Perform Total Reset, Useful for Rental Programs Freediving (apnea) Mode: All Diving Parameters Displayed Depth, Temperature, Dive Calculator Maximum Dive Depth Alarm, Dive Time Length of Surface Interval Between Each Dive Diving Session Length Alarms: Depth, Dive Time, Surface Interval & Recovery Time Visualization of Time at Dive Phase Gauge Mode (w/o decompression calculator): Depth/Temperature Indicator Average Depth, Dive Time In Minutes & Seconds Resettable Depth Stopwatch Visualization of Time at Dive Phase All Information In All Modes: Logged w/Memory of Up to 60 Dives per Category Replaceable Protective Display Screen User-Replaceable CR2350 Battery Optional Interface of Diving Profile Available Pressure Gauge: Cressi Mini-Manometer 5,000 psi Gauge Scale Unique Glass Lens Pressure Relief Valve Chrome Plated Brass Case Luminescent 3 Zone Color Coded Dial: Zone 1; 0 to 600 psi Red Reserve Air w/Fade to 1,300 psi for Deep Dive Reserve Zone 2; 600 to 3,000 psi Green Zone 3; 3,000 to 5,000 psi Blue Small, Modern Shaped Compact SPG 7/16" High Pressure Hose The Donatello Console 3 has been designed to fit the new Donatello Cressi Dive Computer in a modern console, which differs in form, size, and weight of similar products on the market. The different sizes of the two instruments, the computer Donatello and the Pressure Gauge, have led to a console with an innovative and original design. The instruments are arranged on a slight tilt, which further improves the design and allows for greater readability of the same. The use of advanced materials such as polycarbonate and desmopan has reduced to a minimum thickness and weight, and the console reveals a surprising lightness, which translates into ease of use and minimum strain on the hose connection to the first HP the stadium. "