Features:A digital calendar with WWVB Radio control time function---Synchronize the time automatically without your calibration, provides with the correct time and date.An accurate clock---As a reminder and wakes you up every morning.An indoor humidity and temperature forecast display---The digital colorful number brings you more convenient on choosing clothes for child.An wireless outdoor sensor---Provides a reliable, accurate forecast of weather conditions personalized for your exact location.Sensor Display---Tells you the outdoor's temperature and humidity when you outsideMoon Phase---Tracks the lunar cycle. Watch as the moon transforms through eight distinct phases, conveyed through simple lunar phase iconsDescription:This wireless weather forecast station with remote sensor is awesome for any tabletop location (not for wall hanging). It Now includes auto time / date setting using the WWVB Frequency, which can be displayed in 12/24-hour format. Can also be used as an alarm clock (snooze option).Features an adjustable LED Backlight, Indoor and outdoor temperature/humidity display, Moon Phase display and temperature alerts.Specification:Measuring range indoors: Temperature 0℃-+50℃(32°F-122°F)/Humidity 10-99%Measuring range outdoors: Temperature-40°C-+60°C(-40°F-140°F)/ Humidity1%~99%Accuracy: Temperature+/-1°C(2°F) between 0°C to 50°C, otherwise+/-2°C(4°F)Humidity +/-5% between 30%-70%,otherwise +/-8%Power Consumption: Receiver 3 X 1.5V AAA(not include), Transmitter 2 X 1.5V AAA(not include)Battery life: Transmitter: 1-1.5 year. Receiver: 1. 5-2yearsRCC function: DCFTransmission distance: 60m in free fieldTransmission frequency: 433MHTransmission time: CH1: 50 seconds CH2: 53 seconds CH3: 56 seconds