The Smart Scuba Dive Computer has a clear, easy to read display and an exceptional design that is both comprehensive and ergonomic, making it ideal for  multimix and freediving . Above the water's surface, you can adjust nitrox settings and quickly view the logbook. Underwater, the Smart enables you to toggle between depth information on the top line and complementary information on the bottom line. The middle row displays details on the decompression state.
Facts: 
MATERIAL:CR2430
BATTERY DURATION:200-300 dives over a three year time span
NITROX USE:EAN from 21% to 99%
MAX DISPLAYED DEPTH:492ft
ASCENT RATE INDICATOR (M/MIN - FT/MIN):true
MEMORY CAPACITY:40hr
PROFILE SAMPLING RATES:5s
DISPLAY: Segment Display
GAS SWITCHING: true
STOPWATCH: true
WATCH: true
DUAL TIME: true
DAILY ALARM: true
PLAN MODE: true
CHOICE_MET_IMP: true
FRESH AND SEAWATER SETTINGS: true
RESID_NITRO_RESET: true
OPTION TO EXCLUDE AUDIBLE ALARMS: true
EXCLUSION OF "UNCONTROLLED ASCENT": true
ALTITUDE ADJUSTMENT: true
TEMPERATURE: Measurement range: -10°C to +50°C / 14°F to 122°FLOGBOOK MEMORY:35 hours of dive profile at 5-second sampling rate
DISPLAY MATERIAL: Mineral glass
CLOCK: Quartz clock, time, date, dive time display up to 999 minutes
UPGRADEABLE SOFTWARE: true
AIR INTEGRATED: false
GRAPHIC AND NUMERIC
USB CHARGER: false
Technologies 
MINERAL GLASS DISPLAY Mineral Glass Display.
 
Gas Switching 
GAS SWITCHING Setting the computer to include one or more oxygen enriched - gases (up to 99%) in addition to your main gas; allow you to benefit from shorter decompression times by switching gases during the dive.
 
 
Software Upgradeability 
SOFTWARE UPGRADEABILITY Software Upgradeability.
 
 
Segment Display 
SEGMENT DISPLAY Needle-sharp information combined with intelligent placement of information for easiest readability.