High-performance, multi-system dual-frequency navigation and positioning agricultural guidance system, supporting GPS, Beidou, GLONASS, GALILEO, QZSS satellites. This 7-inch 500-nit sunlight-readable display includes a built-in high-precision GNSS receiver and an external magnetic roof-mount GNSS antenna, allowing you to receive GLONASS satellite signals anytime, anywhere without additional equipment. GNSS Antenna: Used in conjunction with the A2 External Magnetic Roof Mount GNSS Antenna for +/- 80cm accuracy. Dual-frequency: built-in L1-L5 dual-frequency positioning module, positioning faster, more accurate and more reliable. App: Based, for use with the preloaded Field Bee/Field Navigator app as a spraying guide, grassland fertilization. Installation: Easy setup with durable tractor mount Your unit is always connected via built-in WiFi Always up-to-date with software over-the-air updates Operations: Shortcut keys, LED power button, pinch to zoom, easy to use Power: Uses 12~24V vehicle ignition. It's an easy-to-use agricultural GPS that fits any tractor. This monitor maximizes efficiency when planting, spraying, spreading and row tilling. It will minimize unnecessary soil compaction and precisely apply seeds, fertilizers, insecticides, insecticides and water. Ruihao's portfolio of precision agriculture products has revolutionized traditional farming practices, enabling farmers to increase efficiency, increase productivity and improve crop performance while reducing costs and optimizing inputs. ► Up to 30% higher yield ► Reduced carbon footprint ► Up to 20% more water efficient ► Up to 30% cost savings ► Improved worker safety ► Further waste reduction