Features:A variety of measurement modes --- manual fixed mode + automatic slope measurement mode + vehicle measurement mode to help you solve various terrain area measurements. This versatile land area meter can automatically calculate the area of different shapes, and it can also measure the distance of the curve. Slope mode, also known as Pythagorean mode, measures slope height and angle. Vehicle Mode can help you measure and calculate how and how far your harvester is going.LARGE SCREEN AND LIVE DISPLAY---Large 2.4 inch screen with strong LED backlight, easy to read and clear at night. Three real-time display, real-time display track, real-time display area, real-time display length.More accurate automatic tracking --- automatic track measurement, area and length can be displayed on the same screen. High-sensitivity packaged antenna ensures measurement accuracy. Area, length and trajectory can be obtained simultaneously in one measurement.Long-lasting work---Built-in 5.5wh large capacity lithium battery, can be used for three days without worrying about power. Silicone material keys, comfortable feel, wear-resistant and easy to use, never fade.50 Groups of Memory Widely Used --- With multiple measurement modes such as distance, area and slope measurement, the area meter is ideal for agriculture, construction and industry, buildings, real estate, factories, warehouses, and more.