Humidity Monitor with Digital Sensor for Home and Office Use 1. This room thermometer indoor hygrometer helps monitoring temperature and humidity and display reading in real time.<br> 2. The build-in accurate temperature and humidity sensor refresh reading continuously. A great kit for the dry season.<br> 3. It calibrate automatically for about 10 minutes after turning on, which an accurate reading easily. Temperature and humidity are refreshed every 10 seconds.<br> 4. This temperature humidity gauge has kickstand. You can place it where it should be.<br> 5. The small indoor thermometer for home comes with battery and power button, providing long-lasting use. Function buttons: CLEAR-restart, /-Celsius/Fahrenheit conversion;<br> Product size: 86x66x20mm<br> Display screen size: 66x50mm<br> Battery: 1xCR2032 (3V) battery (battery included)<br> Placement method: bracket/suspension/magnet adsorption<br> Colour:black<br> Material:ABS<br> Package Contents:<br> 1 * Electronic Room Thermometer(with battery)<br> 1 * Instructions in Chinese and English<br> Only the above package content, other products are not included.<br> Note: Light reflection 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.