ProductMaterial: PlasticSize: 281*50*36mmQuantity: 1 piece, 2 piecesPackage Contents:1*Single-Needle Soil Moisture meter or 2*Single-Needle Soil Moisture meter1. Small and portable: This soil moisture meter is small and portable, so you can always know the correct time for watering your garden, farm, lawn and plants.2. Easy to use: Although this soil tester is exquisite, it is not complained. The Soil Moisture is Read by Using A Ten-Scale Interface and a Color-Coded Reading System from Red, Green To Blue.3. No Battery Required: This Soil Detector Needs to be inserted into the ground to get a reading, no Battery is request.4. Gentle Care of Plant Roots: Single sample design, keep the roots intact when reading. When you take a reading, you don't have to dig too much soil or Disturb Sensitive roots, so that your plants can remain completely healthy.5. Usage Steps: First insert the test as deep as possible into the soil, and insert the rehearsal about 3/4 of the position. The Measurement Range is 1-10 Values, The Values 1-3 Dry Are Dry, The Values 4-7 Moist Are Suitable, and the Values 8-10 Wet Are Wet. Please Adjust the Soil Moisture According to the Plant Species.