5 in 1 Function: This Plant Meter offers 5 functions to effectively test soil. It measures pH value, environmental humidity, temperature, and soil light simultaneously. Large LCD Display and Backlight: The large LCD screen displays various readings clearly, while a green backlight allows easy reading in low light conditions, helping you assess light levels for optimal plant growth. Wide Range of Applications: Suitable for both indoor and outdoor use, this lightweight meter is perfect for gardens, farms, potted plants, succulents, and more. Easy to Use: Simply insert the probe into the soil about 10 cm deep, wait 10 seconds for intuitive readings, then remove and wipe the probe clean after use.