Item Type: Land Meter Location Time: Hot Time: 1 Second; Cold Time: Position Accuracy: Within 2 meters (HDOP value less than 1.0) Area Accuracy: Measurement error not 0.03m (1-3m), 2% ( 3m) Distance Accuracy: Within one meter (when HDOP value is less than 1.0, measurement length is 100 meters) Features: Coordinate measurement, route editing, trail recording, navigation function, height measurement, area measurement, distance measurement, elevation function Data Statistics: Area statistics, distance statistics Area Records: 99 Waypoint records 2000 Distance Records: 99 Trail records 100 Route Records: Maximum version number of 200, up to 400 points per route Trail Display: Real time trail display during measurement, can also view past measurement data in statistics records Barometric Height Measurement: Approximately 1 meter (barometric measurement, absolute height calibration required); Approximately 10 meters (GPS measurement, HDOP value less than 1.0) HDOP Setting: User defined HDOP Setting Display Screen: 2.4in outdoor high definition black and white screen Operating Temperature: -20 degrees Celsius to 65 degrees Celsius Storage Temperature: 40 degrees Celsius to 75 degrees Celsius Data Interface: USB interface, can be through this interface Data Export: Yes Battery: 1x 3.7V lithium-ion battery 1800mAh Color: Black Material: plastic Package Contents: 1 x GPS Land Meter 1 x USB Cable 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.