Features 1、METAL DIAL: Thermometer with stainless steel shell and magnesium alloy dial, smooth and burr free, good texture, long term use, bright and does not lose color. 2、EXCELLENT PERFORMANCE: The thermometer is waterproof, corrosion resistant, high temperature resistant and can be used without batteries. 3、AUTOMATIC SENSING: Thermometer use automatic induction, without any tuning, simple and convenient, general environment can be used for more than 5‑10 years. 4、HIGH ACCURACY: The thermometer is very practical with less measurement error and accurate measurement results. 5、WIDE APPLICATION: Thermometers can be widely used to measure the temperature and humidity of living rooms, offices, workshops, laboratories, schools, shopping malls, warehouses and other environments. Specification Item Type: Round Thermometer Material: Stainless steel, magnesium alloy Temperature Measurement Range: -20℃-100℃ Humidity Measurement Range: 0-100% Temperature Measurement Error: <±1℃-±2℃ Humidity Measurement Error: <±5%-±7% Package List 1 x Round Thermometer 1 x Holder 2 x Fixing Screw