High accuracy, fast readings. Widely used, easy to operate. No batteries needed, durable. Food-grade stainless steel, safe and environmentally friendly. Scope of application: This product can be used to measure the temperature of compost soil. Descriptions: Hermetically sealed to avoid fogging and moisture. But do not suggest leaving out day and night, as it is the measuring and can take care of it long term. Robust construction. Tough, reinforced welding between dial and stem for long-lasting operation. Long quality stem, durable stem for accurate readings. Take the stem to push in and pull out. Color: silver. Diameter: 48mm. Length: 500mm. Material: Food-grade stainless steel. Temperature range: 0-120. How to use: direct insertion of the probe. Package contents: 1 x Compost Soil Thermometer. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.