Computer Desk Mat-gaming Mouse Pad Features:1. Measure the light intensity of the current environment2. Measure the moisture content of the soil3. Measure the temperature of the soil, the temperature measurement range: -9~+50 (16~122), (accuracy: 1/1)4. Measure the pH of the soil, pH measurement range: 3.5-9.0Working temperature: +5~+40Size: 35*8*6cm Large screen LCD user interface Temperature metric conversion function Low battery reminder function Power-saving automatic shutdown function, 5 minutes without any operation, automatic shutdown Easy to operate and easy to carry Power supply: 9V battery (not included) Product parameters It does not need a power source, and it has three functions in one, which can measure humidity\PH degree\luminosity of photosynthesis of plants. Material: Plastic Body size: 5*3.8*28.5 CM Probe length: 20.5 CM Product advantages: Detect the humidity and pH of the soil in the flowerpot, and detect the intensity of sunlight required for plant photosynthesis.