With bracket design, you can properly adjust the angle With wall mounting holes, can be hung LCD screen display With two monitoring air holes With time display 1) wifi electronic temperature and humidity sensor indoor and outdoor digital temperature and humidity sensor 2) WiFi temperature and humidity sensor, the temperature and humidity are clear at a glance 3) Real-time monitoring of indoor temperature and humidity, it is more intimate to know the temperature and humidity 4) The current ambient temperature value can be preset in the app, and when the preset value is exceeded, the air conditioner will be automatically turned on or off Notice:This product is powered by batteries and does not include batteries Power Suplly:2xAAA batteries(Not included batteries) Colour:White Material:Plastic Size:8.9x8.6x2.5cm Package Contents: 1 * temperature humidity sensor Only the above package content, other products are not included. 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.