Main Specifications-1.32-inch dual layer display, Color TFT LCD (320 ~300 pixels) + Monochrome LCD-Capacitive touch panel-Sensors: Pressure sensor, Accelerometer, Gyro meter, Magnetic sensor-Microphone-VibrationBattery:-Type: Lithium-ion battery-Charging time: Approximately 2 hours at room temperature (Be sure to use the special charger cable)-Operating time on full charge*1:-Normal use: More than one day-Timepiece: Approximately one monthBluetooth: Bluetooth V4.1 (Low Energy support)Wi-Fi: IEEE802.11b/g/nMemory & storage: 512 MB RAM, 4 GB internal storageCharging method: Magnetic crimped Charging terminalButtons: TOOL button, Power button, APP button5 bar (50 meters) water resistantEnvironment performance: MIL-STD 810G (United States military standard issued by the U.S. Department of Defence)Operating temperature: 0°C to 40°C (32°F to 104°F)Colors: Black/Green/Red/OrangeWatch:-Auto time correction: By communication with smartphone (Time can be adjusted manually.)-Time zones (world time function): 550 world time zone types (as of August 2015) (By linking with smartphone)-12/24-hour timekeeping Full auto-calendar:-Auto switching by linking with smartphoneSummer time:-Auto switching by linking with smartphoneWatch faces:-Selectable from among 19 types (Google 12, CASIO 7)-Other Functions: Stopwatch, Countdown timer, Daily alarm*2 *3TOOL App:Compass:-Measurement range: 0° to 359°-Measurement unit: 1°-Continuous measurement duration: 1 minute-North Indication hand, Magnetic declination correction*4, Bearing memory,-Gradient calibrationAltimeter:-Measurement range: .700 to 10,000m (.2,300 to 32,800ft)-Measurement unit: 1m (5ft)-Measurement accuracy: within ±75m (within ±250ft) (When frequent manual calibration is performed)-Shortest measurement interval: 1 minute-Altitude graph: Past 24 hours-Manual altitude correction, Auto altitude correction using location information*4 *5Barometer:-Measurement range: 260 to 1,100 hPa (7.6 to 32.5inHg)-Measurement unit: 1 hPa (0.1inHg)-Measurement accuracy: within ±3 hPa (within ±0.1inHg)-Atmospheric pressure tendency graph: Past 24 hours-Barometric pressure measurement interval: 1 minuteTide and Fishing*4:-Tide graph: Past 12 hours + Next 12 hours-Fishing time (Calculated according to current location, and Moon hour angle and age.)Sunrise/Sunset*4:-Sunrise/Sunset times (Current location sunrise/sunset)-Sunrise/Sunset directions: Accuracy depends on compassActivity Graph*4 *6:-Daily activity pattern: Stopped, walking, running, vehicle-Calories burned, Steps, Altitude (Highest altitude achieved that day), Workout timeActivity App*4:-Climbing, Trekking; Fishing; CyclingEXILIM Controller App:-Snapshot, Movie recording, Interval shooting, Continuous shooting, Simple playback-Supported models: EXILIM EX-FR100Screen brightness setting: 5 levelsWatch battery level indicator: Integer value, 0 to 100%-Smartphone Battery level alert (Android smartphones only)-: AD-W50100U1Power supply:-INPUT: AC 100V to 240V 50Hz/60Hz-OUTPUT: 5.0V/1.0A-Power consumption: 160 mA-AD-C54UGPower supply:-INPUT: AC 100V to 240V 50Hz/60Hz-OUTPUT: 5.0V/650mA-Power consumption: 90 mACharger cable: Length Approximately 0.75m (2.46ft)-Type: AC adaptor USB A TYPEIncluded accessories: Special charger cable, Quick start guide,WarrantyAbout MIL-STD 810G (United States military standard issued by the U.S. Department of Defence):Description:1. Drop2. Random Vibration3. Humidity4. Solar-Radiation5. Non-Operating Altitude6. Operating Altitude7. Non-Operating High Temperature8. Non-Operating Low Temperature9. Temperature Shock10. Icing Freezing RainProcedure: MIL-STD-810G, w/change11: Method 516.7 Procedure‡W2: Method 514.7 Procedure3: Method 507.6 Procedure4: Method 505.6 Procedure5: Method 500.6 Procedure6: Method 500.6 Procedure7: Method 501.6 Procedure8: Method 502.6 Procedure9: Method 503.6 Procedure-C10: Method 521.4 ProcedureAttention:The functions of this watch have been confirmed under test environments, but no Guarantees are made concerning operation under all environments where it may be used. Also, no guarantees are made concerning the ability of the watch to withstand damage or malfunction.Phones & tablets that work with Android Wear*7 Android 4.3+ or iOS 8.2+*8. Supported features may vary between platforms. Visit g.co/wear check on your Android phone or iPhoneR to see if itfs compatible.Size (Body H x W x D): Approx. 61.7 x 56.4 x 15.7mm (2.4h x 2.2h x 0.6h)Weight (including band): Approx. 93g (3.3oz)*2 Snooze Feature*3 Vibration alert only without alarm sound.*4 iOS not supported. (It is necessary to install “CASIO MOMENT SETTER+” on an Android smartphone.)*5 GPS altitude information is used, so the indicated altitude may not exactly match the actual above sea level elevation or altitude.*6 Default: OFF*7 For models for which operation has been confirmed, refer to the Google check page. http://www.android.com/wear/check/*8 Limited functionality when connected to iOS device.