Multi-functional measurement: can measure the area and length of any shape of land, with digital tracking function, and can automatically calculate the price after measurement. High-precision Positioning: Supports GPS, fast signal search and instant accurate positioning. Convenient data processing: 99 sets of historical data and graphic track records can be saved and exported for easy viewing or printing. It can also export test data and graphic tracks for further analysis or printing, and can be integrated with Google Maps to display real graphic tracks, improving the accuracy and visualisation of measurements. Clear display: Equipped with a large 2.8-inch colour screen with a resolution of 320 x 240, the data display is clear and easy to read. Fast start-up: Cold start-up takes only 30 seconds and hot start-up takes only 3 seconds, allowing you to start measuring quickly and reduce waiting time. Long-lasting battery life: Built-in 3.7V/2000mAh rechargeable lithium battery, charging time 4 - 5 hours, battery life 8 - 10 hours, to meet the needs of long-time outdoor measurement. Protective design: waterproof and dustproof design, suitable for use in various outdoor environments. Non-slip shell, easy to hold or carry in the pocket.