Made of ABS, this meter is lightweight and resistant to abrasion, rust and damage. Ideal for long-term use in humid environments such as home garden and outdoor planting Works effectively on a variety of soil types, from sandy soil to clay soil. Suitable for agricultural researchers, gardeners and home gardeners in a variety of planting environments Mechanically operates without electricity or batteries, reducing waste and maintenance. An eco-friendly choice for your everyday gardening needs To measure, simply insert the probe into the soil. A user-friendly solution for beginners and gardeners alike The single needle design gives you precise soil measurements and eliminates the interference problems common with multi-needle meters. Ideal for greenhouse gardening and potted plants that need management, Manufacturer: sheQImaoYI