This is a soil tester for soil testing. Precise design ensures instant readability and high precision. This humidity helps you the tedious work of plants. You can tell if you need watering. This is very practical and widely used. Features - - Material: and alloy - Size: Approx. 29 x 5 x 3/ 11.4 x 2.0 x 1.2 inch ( x ) - The hygrometer is made of material, durable and practical. - or batteries required. - The hygrometer is easy to use, just plug and read. - The hygrometer is easy to use and carry, Ensure and maintain the health and quality of your greenery. - Hygrometer is important for some delicate plants which are very to over or under watering. Package Including 1 x Package list: 2 x Moisture Sensor Meter Soil Water Monitor Hygrometer Moisture Sensor for Garden Farm Lawn Plants Indoor Outdoor