Prevent overwatering your plant with this easy-to-read Soil Moisture Meter! This meter gives accurate PH level, moisture content and light! Main Features: Kindly NOTE: This soil tester can not be applied to test pH value of any other liquid. If the soil is too dry the indicator will not move, and water it before testing. 3-IN-1 FUNCTION: Test soil moisture, pH value and sunlight level of plant with our soil meter, helps you specialize in grasping when you need to water your plant. ACCURATE RELIABLE: Double-needle Detection Technology strongly enhances the speed and accuracy of detecting and analyzing soil moisture and pH acidity. EASY TO USE: No batteries needed, just insert the sensor probe into the soil about 2-4 inches, toggle switch to test moisture, pH, sunlight you would like to measure. INDOOR OUTDOOR USE: Design to be lightweight and portable, easy to carry around for outdoor use, ideal soil test tool kit for home plants, garden, lawn and farm. Specifications: pH Range: 3.5-8 pH (3.5-6.5 Acid, 7-8 Alkaline) Moisture Range: 1-10 (1-3 Dry, 4-7 Nor, 8-10 Wet) Copper Probe Diameter: 0.2 inch Aluminum Probe Diameter: 0.2 inch Probe Length: 7.9 inches Moisture Range: 1-10 (1-3 Dry, 4-7 Nor, 8-10 Wet) Product Size: 11.5 x 2.0 x 1.5 inches How to Use: Step 1: Switch to moisture/pH/light position according to demand. Step 2: Insert the probe into the soil about 2-4 inches. Step 3: Check moisture/pH/light level in the dial after 10 minutes. Step 4: Remove probe from soil and wipe clean after each use. Kindly Note: 1. Do not force it into very hard soil or touch hard objects since it will be easy to damage the probe. 2. Do not use it to test pure water or other liquids. It can only be used to measure soil. 3. Do not leave the meter in the soil for a long time. 4. Please wipe and clean the probe after each use. 5. If the soil is too dry the indicator will not move, and water it before testing.