High-precision satellite mini handheld GPS coordinates compass altitude locator navigator outdoor sports travel hiking tracking. and good 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 "and" or "and" 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: 1 Storage capacity: 512KB Memory:4MB (user memory 300 kbye) Accuracy of positioning: 5-15m Battery: Built-in lithium-ion battery Working Time:about 10 hours Screen size: 1.4inch Dimensions: 65 x 53 x 21mm Color: A Green Material: ABS Package Contents: 1 x Handheld GPS Only 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.