This item is a soil tester for soil testing. The precise design ensures its instant reading and high accuracy. This sensor helps take the guesswork out of taking care of your plants. You can see if they need to be watered or not. It is very practical and widely applied. Features - ColorDark Green - Material: Plastic and alloy. - Size: Approx. 29 x 5 x 3 cm. - Well made of for durable and practical use. - No electric hookups or batteries are needed. - Easy to Use: Find a land and plug this hygrometer into the soil, then read. - Easy to carry. Ensures and maintains the health and quality of your greenery. - Suitable for placing on , garden, indoor planting, greenhouse planting and etc.. - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Usage: Insert the probe as deep as possible into the soil, about 3/4 of the way in. The values 1-3 DRY are DRY, 4-7 MOIST is appropriate, and 8-10 WET is WET. Please adjust the soil according to the variety of plants. Notes: 1. Do not touch the stone when inserting the . Do not use it too hard, or it will easily the . 2. Clean the immediately after use (it is strictly forbidden to dip directly into the water for measurement). 3, Not inserted in the soil for a long time to damage. Package list: 1 x Hygrometer