Triple Function Soil Assessment : This soil testing tool measures nutrient levels , content , and acidity / alkalinity stability in a single device , providing whole soil analysis for enhanced cultivation outcomes Perfect for home gardeners and farming experts to examine soil characteristics efficiently Premium Copper Sensors : Equipped with high grade copper probes for enhanced data transmission and stable measurements Ideal for greenhouse cultivation and laboratory studies where accurate readings are important Strong ABS Construction : Built with permanent ABS polymer for superior shock resistance and long service use Withstands challenging outdoor environments , making it suitable for continuous agricultural monitor activities Compact & Portable Design : Easy to carry structure ( 275mm / 220mm versions ) , perfect for checking multiple garden areas Enables quick soil checks across various spots for better plant growth conditions Battery easy action : Functions without external power supply , ensuring uninterrupted usage during extended outdoor tasks like field surveys or remote farm checks Ready for use whenever needed, Manufacturer: Shunzhong