The main feature of this product is the most portable and easy-to-operate GPS in the world Store up to 16 points of interest Return to the starting point or guide the destination Real-time latitude and longitude coordinates Travel distance time Travel speed and poster height Satellite time Technical indicators Receiver: L1 type, C/A code, acquisition channel: 51, tracking channel: 14, Maximum update frequency: 10 Hz, Display image rate: 128*64, Backlight type: Blue Size: 65*52*21mm Weight: 39.6g (including battery), Memory: 512KB, Key: Key, Accuracy: Positioning, 10 m (support differential correction system area 2 m), speed, 0.1 m/s, Initial positioning time: about 5 seconds for hot start, about 40 seconds for hot start, about 2 minutes for cold start, Sensitivity: -161dbm trace, -157dbm recapture, -148dbm capture Data Protocol: NMA-0183 v3.01 Power supply voltage: USB DC 5V/3.7V 390mAh built-in lithium battery Running time: about 6 hours Power consumption: about 70 mA for capture, about 30 mA for continuous tracking Ambient temperature: working -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 in the guide is displayed on the home page. To navigate through these pages, cycle through the pages by repeatedly pressing the up or down key after the product has captured the satellite signal and held it in place. Find another page. Page 1 (Home): Displays satellite signal reception strength, remaining battery power, POI recording order and time, and distance and direction to your current location. (Itinerary information): Displays the time and mileage used in the itinerary (latitude and longitude coordinates): Display the geographic latitude and longitude coordinate information of the current location (speed and altitude): Displays current travel speed and relative altitude (Satellite Time): Displays accurate real-time satellite sync time (setting page): Provides setting operations such as backlight continuous display time, time zone, POI deletion, etc. Switch machine: In the off state, press and hold the confirm button for three seconds to turn on the device and enter the boot screen, the boot icon displays: Mini GPS (Mini Global Positioning System), and then enter the main page, any mode or page, and long press the confirm button for three seconds to shut down. Delivery Quantity: 1 Piece Note: Manual measurement, there may be an error of 1-2cm/1-3g, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture.