MISSION3 follows the principle of "Make the dive simple." It offers practical features for scuba and freedivers, including 130- meter depth capability, vibration, and sound alerts. Patented features such as GPS dive spot navigation and freedive safety stopwatch enhance its functionality. It also includes apnea training tools, multi-band GPS, a digital compass, and a bright 1.4" full-color AMOLED display. Paired with the handy ATMOS logbook app, MISSION3 is the ultimate companion for divers of all levels.Designed and Made in Taiwan Atmos Mission 3 Specs WATER RATING 130m (EN13319) SIZE 50.0 x 50.0 x 14.8 mm WEIGHT 83g (with silicone watch band) LENS MATERIAL MICA glass (8H) DISPLAY TYPE 1.4" full color AMOLED DISPLAY RESOLUTION 454 x 454 pixels BEZEL & BUTTON MATERIAL Stainless steel 316L CASE MATERIAL Fiber-reinforced polymer STRAP Silicone, width 26mm, quick release WATCH BAND MATERIAL Skin-friendly hypoallergenic silicone BATTERY Lithium Ion, factory replaceable BATTERY LIFE Watch mode: Up to 12 days Smartwatch mode: Up to 9 days Dive mode: Up to 14 hours (brightness level: low) CHARGING METHOD USB Type-C / 5V-9V DC / 3A LANGUAGES ENKOJAZH-CNZH-TW METRIC AND IMPERIAL UNITS MEMORY/ HISTORY 1000 logs FIRMWARE UPGRADEABLE (USB Type-C) OPERATING TEMPERATURE -20 AdegC to 50 AdegC / -4Adeg F to 122Adeg F ( 2AdegC) CHARGING TEMPERATURE 0Adeg C to 45Adeg C / 32Adeg F to 113Adeg F ( 2AdegC) TIME/DATE GPS TIME SYNC DAYLIGHT SAVING TIME ALARM CLOCK STOPWATCH TIMER SUNRISE/SUNSET TIMES CUSTOM WATCHFACE SMARTPHONE COMPATIBILITY (most common iPhoneA(R), Android(TM) phones supported) SMART NOTIFICATIONS WEATHER TIDE TABLES GPS GPSGLONASSBDStarGALILEO BAROMETRIC ALTIMETER COMPASS GYROSCOPE ACCELEROMETER THERMOMETER DEPTH SENSOR STEP COUNTER STEP GOAL CALORIES BURNED SLEEP TRACKING (sleep time and sleep quality) SINGLE GAS MODE (Air, Nitrox O2 up to 40%) MULTI-GAS MODE (2 gasses, Air, Nitrox O2 up to 50%) GAUGE MODE DECOMPRESION MODEL Bu;hlmann ZHL-16c (GF configurable) PO2 (Up to 2.0) AUTO START DIVE SAFETY STOP DESCENT/ ASCENT RATE INDICATOR DIVE PLANNER CUSTOM DIVE DATA SCREENS RESET RESIDUAL TISSUE LOADING ALARM METHODS Visual, vibration and audible buzzer SCUBA ALERT & ALARMS Fast ascentSafety stopLow NDLDeco stopDeco stop ceiling violatedDive timeDepthMODCNSSurface interval notifyCheck SPG reminderLow battery End dive time (20s to 10 min) 3-AXIS DIVE COMPASS (with lock heading) DIVE STOPWATCH SAVE ENTRY AND EXIT GPS (surface only) ADD DIVE SPOT GPS (surface only) GPS DIVE SPOT NAVIGATION (surface only) NO FLY TIME SURFACE INTERVAL TIME FREEDIVE MODE FREEDIVE POOL MODE STA CO2/O2 TABLES CUSTOM TABLES DYNAMIC TRAINING FREEDIVE ALERT & ALARM Dive timeDescent depth / Ascent depth (10 sets each)Freefall depthSurface timeHydrationLow battery FREEDIVE SAFETY STOPWATCH DIGITAL DIVE LOGBOOK (ATMOS APP) WHAT&';S IN THE BOX MISSION3Standard silicone band (Width 26mm, Length 135-230mm)Charging cableScreen protector (2 pcs)Quick start guide (with warranty card)A pair of strap pin