Main Features -- Color Large LCD Screen Display: The wireless home weather station displays real-time weather through monitoring indoor and outdoor temperatures and humidity. -- Atomic alarm clock weather station can be used not only as a wireless indoor outdoor thermometer but also as an atomic clock with dual alarms. -- The weather forecast station calculates the weather forecast for the next 12-24 hours, 7 to 10 days calibration ensures an accurate personal forecast for your location. In addition, for heat levels - upper and lower limits can be programmed individually for the temperature alarm. -- 3 Optional Channel Available: Weather stations can be connected to 3 wireless outdoor remote sensors within 200ft in an open area at the same time, monitors the temperature and humidity in 3 places at the same time. (There is only 1 remote sensor included. ) -- 5 Backlight: Adjustable backlight fulfills multiple needs in different scenarios and at different times. -- Digital Alarm Clock with Multiple Time Zones: Switch 24hr display to 12 hr display by pressing and hold "TIME" button. -- Weather Forecast: There has 6 simple and vivid icons(forecast in next 8 hours) to display weather forecast. -- Moon Phases and Tide Indicator: View the Moon Phase which is change according to the calender. Please make sure setting the correct time zone and date. The moon doesn't light up during New moon. Specification: 1.Wireless Transmission Range: 60 m/200ft (open area) 2.Indoor thermometer dimension: 8L X 5.1H inches 3.Outdoor Thermometer dimension: 1.9L X 3.7H inches 4.Measuring range (inside temperature): -9.9℃(14.2°F) - 50°C(122°F) 5.Measurement range (outside temperature): -20°C(-4°F) - 60°C(140°F) 6.Hygrometer inside and outside: 20-95% 7.Hygrometer Inside & Outside: 20-95% 8.Power Type: --Indoor Station: 2x AA batteries(not included); DC Charger (included) --Outdoor Sensor: 2x AA batteries(not included) More Functions: -- Two Power Modes & Brightness-Adjustable Backlight It can be powered by a DC adapter (included) or 2*AA battery (not included). The screen will turn off automatically in about 10-15 seconds to save power when using battery power. The screen stays on if you use a power adapter. Screen brightness can be adjusted with the SIXTH button beside the weather station. -- Two Ways of Installation: 1. Stand: Put the weather station on the table, also as a decor, beautiful and top notch. 2. Hang Up: Hang the device on the wall. The value can also be seen from a great distance. -- Extra USB Charger for Phone This thermometer itself can be powered by DC charger or battery, it needs 2 AA batteries to power on. We also add a USB plug port around the device, you can charge your phone when your thermometer is put around your bed or on table. Note: We recommend you choose AA alkaline battery. -- Extra support function: WWVB(US), DCF(DE) WWVB(US): Weather Clocks begin searching WWVB signal( -8 PST、-7 MST、-6 CST、-5 EST) each day at 1:00 AM or after resetting the device. DCF(DE): Once switched on, the weather station automatically searches DCF signal and conducts a synchronization. It also serves as an alarm clock, sounds after the set time. -- Alert Setting of Fixed Temperature Press "ALERT" button(the fifth button beside device) to enter temperature alert setting, press and hold "ALERT" button again to set highest or lowest temperature, the device will alert when it reach out to set temperature. Tips: 1.Mount the sensor vertically on a North-facing wall or a well-shaded location to avoid sunlight and rain. Direct sunlight will make temperature read high. Recommended: 6 inches below eaves or placed under deck rail is preferred. 2.There is only 1 remote sensor included. Please make sure your indoor weather station is at the same channel with remote sensor. Package Content： 1Pc Weather Station 1Pc DC Charger 1Pc Sensor 1Pc Instruction