The main feature of this product is that it's the most portable and easy-to-use GPS in the world! Store up to 16 points of interest. Return to the starting point or navigate to a destination. Real-time latitude and longitude coordinates. Travel distance and time. Travel speed and recorded altitude. Satellite time. Technical Indicators: Receiver: L1 type, C /A code, acquisition channel: 51, tracking channel: 14. Maximum update rate: 10 Hz, Image rate: 128*64, Backlight type: Blue Size: 65*52*21mm Weight: 39.6g, Memory: 512KB, Button: Button, Accuracy: Positioning, 10 m (support for differential correction system area 2 m), speed, 0.1 m /s. Initial positioning time: about 5 seconds for hot start, about 40 seconds for warm start, about 2 minutes for cold start. Sensitivity: -161dbm track, -157dbm reacquisition, -148dbm capture Data protocol: NMA-0183 v3.01 Power supply voltage: USB DC 5V /3.7V 390mAh built-in lithium battery Operating time: about 6 hours Power consumption: about 70 mA for capture, about 30 mA for continuous tracking Ambient temperature: operating -20 degrees to +55 degrees, storage -30 degrees to +55 degrees Ambient humidity: up to 80% non-condensing humidity Browse the action page: All relevant data that the user needs to navigate the guide is displayed on the home page. To navigate through these pages, cycle through the pages by repeatedly pressing the up or down button after the product has captured the satellite signal and kept it in place. Find another page. Page 1 (Home): Displays satellite signal reception strength, remaining battery power, POI recording order and time, as well as distance and direction to your current location. (Travel Information): Displays time and mileage used on the trip (latitude and longitude coordinates): Display the geographic latitude and longitude coordinate information for the current location (speed and altitude): Displays current travel speed and relative altitude (Satellite Time): Displays accurate real-time satellite synchronization time (settings page): Provides setting operations such as backlight continuous display time, time zone, POI deletion, etc. Turn the machine on/off: In the off state, press and hold the confirmation button for three seconds to turn on the device and enter the startup screen, the startup icon displays: Mini GPS (Mini Global Positioning System), and then enter the main page, any position or page, and long press the confirmation button for three seconds to turn off. Delivery quantity: 1 piece