High-precision satellite mini handheld GPS with compass, altitude locator, and navigator for outdoor sports, travel, hiking, camping, and climbing. Compact watch-sized design. Provides direction and distance to destination. Supports setting up to 16 destination points. Tracks traveled distance and elapsed time. Displays current position including longitude, latitude, and altitude. Measures speed. Shows accurate satellite-synchronized time. Features long standby time and back-lit display. Up to 10 hours of working time. Quick start: after fully charging, press "" to turn on the GPS device. Satellite search: turn on the device and wait for satellite acquisition in an open area; LED screen must receive at least two signals. Reset point: select desired return point (target position); press any two keys simultaneously to save, and the device automatically records date and time. Sleep mode: hold "" to power off the device to conserve battery. Return mode: press "" to turn on, select reset point, and view direction and distance to the saved location. Specifications: - Refresh rate: 1 Hz - Storage capacity: 512 KB - Memory: 4 MB (user memory 300 KB) - Positioning accuracy: 515 meters - Battery: Built-in lithium-ion battery - Working time: approximately 10 hours - Screen size: 1.4 inches - Dimensions: 65 x 53 x 21 mm - Color: Green - Material: ABS Package Contents: 1 x Handheld GPS Device Note: Light reflection and differences in display screens may cause slight color variations between the product image and actual item. Measurement error allowance is +/- 13 cm.