Garmin Tactix Bravo, Black with Silicone Band NAVIGATOR + ABC - High-sensitivity GPS/GLONASS positioning with automatic calibrating altimeter, barometer and 3-axis compass BLACK, NON-REFLECTIVE - All-black, non-reflective design inspired by the requirements of tactical gear intended for use in the field NIGHT VISION GOGGLE COMPATIBLE - Reduces backlight settings to a level that doesnt interfere with the operation of night vision goggles WATER RATING - Water rated up to 10ATM / 100 meters1; suitable for swimming WIRELESS CONNECTIVITY- Utilize one or more Wi-Fi hot spots to automatically sync your data with Garmin Connect and update software (when in range)