Features: Function: This indoor meter is a good supply for you to know the room temperature and humidity suitable for indoor and outdoor places you can order according to your needs. Adjustable: The and display types are enough to meet your different viewing habits you can switch them as your likes saving your time and strength. Alarm: The reusable hygrometer will remind you of indoor the temperature because it has a built-in sensor but it does not work outdoors. And you can set the high or low temperature alarm mode. The indoor and outdoor temperature will be displayed alternately every 4s. Digital display: The large screen makes it easy for you to view the data this temperature meter is suitable for office bedroom living room and other places making your life more convenient. Precise: This weather station is designed with air inlet holes which allow large area of air entry and ensure accurate measuring results not easy to make trouble for you. Specification: Material: ABS Color:Orange Green Purple. Size: approx. 6.5*6.5CM/2.56x2.56inch Temperature range: -50-70(-58-158) Resolution: 0.1/0.2 Accuracy: 1 Battery: 1x AAA battery(not included) Alarm time: about 60s Note: Due to the light and screen difference the item\\'s color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. includes: 1*Electronic Thermometer Hygrometer