1. Versatile Liquid Transfer: The soil meter is perfect for transferring fresh water, seawater, oils, diluted organic solvents, , and liquid fertilizers. 2. High Flow Rate and Efficiency: The hygrometer offers a large flow rate, stable performance, and high efficiency, with the pump's flow rate varying based on the power and speed of the drill used. 3. Easy Drill Installation: Simply attach all drill chucks to the ph/fertility/light/moisture/air humidity tester using an electric drill for seamless installation. 4. Compact and Portable Design: The moisture sunlight ph meter boasts a compact design, making it easy to carry and store. 5. Simple Installation and Use: The soil ph meter is easy to install and use, requiring no batteries. Just use a power drill (not included), connect the hoses, and always stand on dry ground, keeping all wires dry Color: Black Material: Plastic+Metal Specification: Package Contents: 1X Electric Drill Pump 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.