Indoor thermometer and hygrometer can measure temperature range: -20C ~ +60C, temperature measurement accuracy: 1C. Humidity measurement range: 10% RH ~99% RH, Humidity Measurement Accuracy: 5% RH, Humidity Resolution: 1% RH to observe the value. Displays current temperature and humidity clearly, or you can read readings remotely to an accurate measure of current temperature and humidity changes. This portable hygrometer thermometer measures your room's humidity and temperature for a better understanding of the surrounding air. Perfect for your home and family life. Indoor Home Thermometer with built-in magnetic suction and adhesive, it can be hung or placed on a table or shelf, or you can hang the thermometer and hygrometer through the holes, small, delicate, and beautiful. Digital indoor thermometer hygrometer for use in living rooms, porches, bedrooms, wine cellars, basements, warehouses, offices, children's rooms, and closets. Colour: White Material: ABS Package Contents: 4 x thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.