Specifications:The world's most portable and easiest GPS operation.It could store up to 16 points of interest.You can return to the starting point or lead to the destination.The GPS displays real-time latitude and longitude coordinates.It also displays travel distance time, travel speed and poster height, satellite time.Item Name: GPS LocatorMemory: 512KBButtons: 3 ButtonsReceiver: L1 type, C/A codeCapture Channel: 51Tracking Channel: 14Maximum Update Frequency: 10HzDisplay Image Rate: 128 x 64Backlight Type: BlueAccuracy: positioning, 10 meters (supports differential correction system area 2 meters), speed, 0.1 meters per secondInitial Positioning Time: about 5 seconds for hot start, about 40 seconds for warm start, about 2 minutes for cold startSensitivity: -161dbm Tracking, -157dbm Recapture, -148dbm CapturePower Supply Voltage: USB DC 5VBattery: 3.7V 390mAh Battery (Included)Operating Time: About 6 HoursAdvantages: Capture About 70mA, Continuous Tracking About 30mAAmbient Temperature: Working -20 Degree Celsius ~+55 Degree Celsius, Storage -30 Degree Celsius ~+55 Degree CelsiusEnvironmental Humidity: up to 80% Non-condensing HumidityMaterial: ABSFeatures: Universal, Compass, NavigationSize: 6.5cm x 5.2cm x 2.1cm/2.56" x 2.05" x 0.83" (Approx.)