Large LCD Screen: The soil moisture meter has a large LCD screen, you can read the result very easily, with a green black light, you can read the accurate results in the plant water meter even at night. NOTE: the right button ℃/℉ 3-4 seconds, the device be off automatically. Newest Soil PH Meter: The Digital soil ph test kit is the newest one in the market, it's more accurate and easily operated, the soil meter can show soil moisture, soil temperature, soil ph value, illumination value at the same time. "ON" to start the meter, if you want to test the PH value, just the back button to PH, the result be show in screen; if you want to test temperature, just the back button to ℃, very easy to operate. Make Gardening more Fun: With the help of our plant moisture meter, you can easily know when your plants need to be watered, the soil probe is adapted upgraded detection technology, which improved speed and accuracy. The moisture meter for plants can provide accurate readings and help your