Features: The spring thermometer can display the temperature on site. Protection level: IP55 - Waterproof and duskproof thermometer. The spring is tightly fixed, safe and reliable to use. Fast reading, very convenient. Wide using range - Pipes, surfaces, oil, power plants, boat, etc. Long service life. Specification: Type: Thermometer Material: Aluminum Model: TS-W50A Structure type: Axial type, Spring type fixing Upper cover ring: Pressed Edge Tooth head: No teeth, Adjustable by slotted screwdriver Temperature range: 0-120 Accuracy: 2.5-2-2.5% Surface: Glass Protection level: IP55 (Dustproof and Waterproof) Use range: Pipes, surfaces, oil, power plants, marine, etc. Weight: Approx. 63g / 2.2oz Surface diameter: Approx. 63mm / 2.5in Package list: 1 * Thermometer 1 * Spring Note: Please pay attention to the length of the spring and the diameter to be fixed when using the spring type surface thermometer. In addition, you also need to pay attention to cleaning and inspection when using, and regularly measure the measured value.