High-precision satellite mini handheld GPS coordinates compass altitude locator navigator outdoor sports travel hiking tracking. and high quality. Mini shape, just like a watch. Provide the direction and distance to the destination. Destination point can be set, maximum 16 points. Record the distance you travelled, and the time you spent.Provide current position: longitude, , and altitude information. Speed measurement. Display accurate time synchronized by satellite. With an extremely long waiting time. With back-lit display. Ideal for Drift/Camping/Hiking/Climbing.Woring for 8 hours maximum. Quick Start:after fully , "" to turn on the GPS positioner.Satellite Search:turn on the GPS positioner and wait for the satellite search to be completed in an open place,the LED screen shall at least two signals.Reset Point:select the reset point (target position) to be returned, any two keys "+" or "+" to save at the same time,and the GPS positioner automatically save the date and time on the screen.Sleep Mode:in order to save the battery power,long "" to turn off GPS positioner.Return Mode: "" to turn on GPS positioner,select reset point,display the direction and distance to the reset point.Refresh rate: 1Storage capacity: 512KBMemory:4MB (user memory 300 kbye)Accuracy of positioning: 5-15mBattery: Built-in lithium-ion batteryWorking Time:about 10 hoursScreen size: 1.4inchDimensions: 65 x 53 x 21mmColor: A GreenMaterial: ABSPackage Contents:1 * Handheld GPSOnly 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.