Feature It has basic-perpetual calendar and clock functions, and the time adopts 12-hour or 24-hour format. Full-featured touch buttons This humidity meter is designed with large screen, you can use it to learn time, room temeprature and humidity. Made of superior material, the digital clock is durable and long lasting, is abrasion resistant and not easy to break. You can use it at many places, such as office, home, school, hotel room etc. Notice: Actual color may be slightly different from the image due to different light effect Please allow 1-3cm deviation due to manual measurement Description: Indoor temperature measurement range: - 9.9°C (15° F) to 50°C (122° F) Outdoor temperature measurement range: -40°C (-40° F) to 70°C (158° F) Temperature switchable units: °C or °F Minimum and maximum values of air-humidity and temperature: 24-hour record Host: Batteries: 2 X LR6 AA Device power input: DC 5V 1.2A (USB power-cord) Outdoor wireless sensor: Batteries: 2 X LR6 AAA (battery not included in shipment) Packing list: 1*weather clock, 1*USB power-cord, 1*sensor, 1*manual in five languages. (shipped without battery) Features It has basic-perpetual calendar and clock functions, and the time adopts 12-hour or 24-hour format. Full-featured touch buttons The product has a weather forecast function, which can predict climate changes in the next-12 hours 2 alarm clocks can be set. At the same time, the snooze function can be set (OFF or 5~60min) Moon phase and tide-function Adaptive Backlight Package List: 1 Set Wireless Home Weather Clock