Features 13 IN 1 DESIGN: Soil moisture sensor meter features a 3 in 1 design that tests soil moisture, light, and pH. Pull the switch on the tester to switch modes. PRECISE DETECTION RANGE: Precise detection range from 1 to 10 (dry to wet) for moisture, light strength from 0 to 2000 (low to high light), and pH from 8 to 3.5 (alkaline to acidic). DUAL PROBE DETECTION: Plant water monitor uses dual probe detection technology to greatly increase the speed and accuracy of soil conditions detection and analysis. EASY TO USE: 3 in 1 soil tester tool is easy to use and requires no batteries. It is a helpful tool for gardeners to understand soil conditions with specific values. RANGE OF APPLICATION: Soil moisture sensor meter is suitable for a wide range of applications and is an ideal testing device for plant care, home gardens, lawns, and farms. Specifications Item Type: Soil Moisture Meter Material: ABS Size: Approx. 6 x 3.5 x 25.8 cm / 2.4 x 1.4 x 10.2 in Humidity: 1–10 (Dry–Wet) Light: 0–2000 (Dark–Light) pH: 8–3.5 (Alkaline–Acidic) Operating Temperature: -10°C to 60°C Power Supply: No batteries, photosensitive elements Use: Soil moisture meter, pH meter, light illumination measurement Gross Weight: 103 g / 3.6 oz Package List 1 x Soil Moisture Meter