Material: Plastic Size: 281*50*36mm Quantity: 1 piece, 2 pieces Package Contents: 1*one-needle soil moisture meter or 2*one-needle soil moisture meter Small and Portable: This soil moisture meter is small and portable, so you can always know the right time to water your garden, yard, lawn and plants. Easy to use: Although this soil tester is exquisite, it is not complicated. The soil moisture is read using a ten-scale interface and a color-coded reading system from red, green to blue. No Battery Required: This soil detector needs to be inserted into the ground to get a reading, no battery is required. Gentle care of plant roots: Simple probe design, keep the roots intact when reading. When reading, you don't need to dig up too much soil or disturb sensitive roots, so your plants can stay perfectly healthy. Use steps: First, insert the probe as deep as possible into the soil, and insert the probe approx. 3/4 of the position. The measurement range is 1-10 values, values 1-3 DRY are dry, values 4-7 MOIST are suitable, and values 8-10 WET are wet. Please adjust the soil moisture according to the plant species.