Features: Work with TUYA APPThrough Wi-Fi connection, the WIFI weather station can be operated more intelligently and intelligent scenes can be set up in the TUYA app to achieve smart linkage between different devices that work with TUYA app. MultifunctionalThe humidity display monitor is multifunctional and can display a wealth of information, including time, indoor and outdoor humidity, temperature, and trend. It can also record the maximum and minimum humidity and temperature values. Instant Data SynchronizationThe receiver can connect up to 3 remote sensors at the same time and display their measured temperature and humidity data in a rotating form. To achieve this function, sensors are required. Alarm ClockThe indoor outdoor hygrometer thermometer Features an alarm clock with selectable 12 and 24 hour time formats. It also supports a one-button snooze function for an extra 5-60 minutes of sleep, allowing users to sleep more without being late for work or missing something important. Large VA ScreenWith VA large screen and adjustable backlight, allowing you to read information clearly at high or low light environment comfortably; sensitive touchscreen design, easy to adjust. 2 Types of Power SupplyThe clock alarm can be powered by either AAA batteries(not included) or a Type-C charging cable, providing quick and convenient use with low power consumption and long working time. Easy for InstallationWith hanging holes and a desk stand both the display monitor and outdoor sensor are easy and flexible to install. Specifications: Color: White Material: ABS Indoor Temperature Range: -14.2F -- 122F (-9.9C--50C) Outdoor Temperature Range: -40F-- 122F (-40C--50C) Humidity Range: 20%-99% Humidity Resolution: 1% Temperature Display Unit: C/F Selectable ( The default is C) Distance: RF 433.92MHz (open air) Time: 12/24 hour format, Snooze: 5 -60 minutes Power Supply(Display Monitor): 3 * AAA 1.5V Batteries/ 5.0V DC Port Power Supply(Outdoor Sensor): 2 * AAA 1.5V Batteries Connection: Wi-Fi(for only 2.4GHz) Thermometer Size: 17.2 * 13.2 * 2.3cm/ 6.7 * 5.19 * 0.9inch Sensor Size: 12.6 * 4.32 * 2.7cm/ 4.96 * 1.7 * 1.06inch Packing List: 1 * Outdoor Sensor 1 * Display Monitor 1 * Manual