Combining map-guided trail navigation with 2-way radio communication, the Garmin Rino 750 handheld brings a whole new level of confidence to your outdoor adventures. It features a powerful 5 W FRS/GMRS radio, dual GPS and GLONASS satellite reception, Active Weather updates, emergency alerts with Position Reporting, BluetoothA(R) headset audio, 3-axis compass, barometric altimeter and more. Physical Dimensions: 2.6" x 7.9" x 1.6" (6.6 x 20.1 x 4.1 cm) Display WxH: 1.53" x 2.55" (3.8 x 6.4 cm); 3.0" diag (7.6 cm) Display Resolution WxH: 240 x 400 pixels Display Type: 3.0" transflective, 65K color TFT Weight : 12.3 oz (348 g) with battery pack Battery: Rechargeable lithium-ion battery pack (removable)OR AA battery pack (not included) Battery life up to 14 hours (up to 18 hours with optional AA battery pack at 2 watts) Water Rating: IPX7 High-sensitivity receiver Interface high-speed USB and NMEA 0183 compatible Barometric altimeter Electronic compass (tilt-compensated 3-axis) Transmit Power: 0.5 watts FRS, 2.0 watts GMRS (Canada), 5.0 watts, GMRS (US) Basemap Ability to add maps Built-in memory 1.7 GB Accepts data cards microSD(TM) card (not included) Waypoints/favorites/locations: 10,000 Routes: 250 Track Log: 20,000 points, 200 saved tracks Automatic routing (turn by turn routing on roads) Geocaching-friendly Hunt/fish calendar Sun and moon information Area calculation Picture viewer Frequency Band: fGMRS Channels: 22 Squelch Codes: 38 (CTCSS); 83 (DCS) Range: Up to 20 miles over GMRS (US); up to 13 km over GMRS (Canada) VOX (voice activation) Location reporting (send and receive GPS positions) Vibration alert NOAA weather radio Contacts: 50 Map segments: 15,000 High-sensitivity, WAAS-enabled GPS receiver with HotFixA(R) and GLONASS support Geocaching Live Active Weather support BluetoothA(R) ANT+A(R) capable Custom Maps compatible Comes With: Rino 750 Lithium-ion battery pack USB cable AC charger Carabiner clip Documentation