Features: A super helpful tool,Testing Kits for Garden Plants. This soil test tool kit is lightweight and portable, easy to carry around. Three-needle Detection Technology strongly enhances the speed and accuracy of detecting and analyzing soil Fertility and pH acidity. No batteries or electricity needed. Only need insert the sensor probe into the soil about 2-4 inches, toggle switch to test. for Ideal soil test tool kit for home plants, garden, lawn and farm. Specifications: Material: Plastic Package size: approx 260mmx100mmx26mm/10.2x3.9x1in Item size: approx 62x176mm/2.4x7.0in Note: Do not leave the probe in the soil for long periods of for time and do not use the device to test the liquid to avoid damage. Package Includes: 1x Soil pH Meter note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.