Mini GPS location tracker, super small size, easy to carry, the best companion for personal outdoor travel and adventure. Name: GPS Pathfinder Material: Plastic Receiver: L1 type, C/A code, capture channel: 51, tracking channel: 14, Maximum update frequency: 10 Hz, Display image rate: 128*64, Backlight type: GreenOrange Appearance size: 65*52*21mm Weight: 39.6 grams with battery, Memory: 512KB, Buttons: 3 buttons, Accuracy: positioning, 10 meters (supports differential correction system area 2 meters), speed, 0.1 meters per second, Initial positioning time: about 5 seconds for hot start, about 40 seconds for warm start, about 2 minutes for cold start, Sensitivity: -161dbm tracking, -157dbm recapture, -148dbm capture Data protocol: NMA-0183 v3.01 Power supply voltage: USB DC 5V/3.7V390 mA built-in lithium battery Operating time: about 6 hours The handheld GPS mini-receiver has latitude and longitude coordinates indication and guidance, allowing users to return to the original starting point or return to the pre-set target point at any time needed. During the guidance process, this product provides clear travel data such as the current location's geographic coordinates, target direction and distance, satellite time, travel speed, and altitude. In order to save electricity, please turn off the machine after confirming the position and direction of travel. After a period of time and distance travel and need to determine the position and direction again, you can turn on the machine again. This machine can only calculate and provide accurate direction information when you keep moving at a certain speed. Store up to 16 points of interest, real-time latitude and longitude coordinates, travel distance time, travel speed and poster height, satellite time, suitable for hiking, climbing, cycling, picnics, etc., various outdoor activities.