Wireless Color Screen With Air Pressure Radio Clock Indoor And Outdoor Temperature And Humidity LCD Electronic Alarm Clock Function is introduced: Indoor and outdoor temperature and humidity measurement the weather forecast, alarm clocks, loving sleep. Fahrenheit or Celsius convertible. Large screen color screen display. Moon phase display, barometric pressure display. Display - 12/24 hour time, calendar, week. Radio time automatic calibration function (WWVB DCF MSF, with DST function) Seven countries week display: EN GE FR SP IT DU DA (DCF and NO RCC-EU have this function) Product parameters: 1. The measuring range: Indoor temperature display range: 9.9 to + 50 & 14 ~ + 122 Indoor humidity display range: 20% RH to 95% RH Outdoor temperature range: - 40 ~ + 60 & - 40 ~ + 140 The humidity outdoor display range: 20% RH to 95% RH. The atmospheric pressure range: 600 hpa/MB - 1100 hpa/MB & inHg 17.72 ~ 32.48 inHg 2. Resolution: Temperature display resolution: 0.1 and 0.1 Humidity display resolution: 1% RH The atmospheric pressure display resolution: 1 hPa/MB & 0.03 inHg 3. Error: 0 to 40 / 32 ~ 104 , plus or minus 1 C / 1.8 F - 20 ~ 40 ~ 0 / 65 / - 4 ~ 32 / 104 ~ 149 , plus or minus 2 C / 3.6 F 40% RH to 80% RH: + / - 5% RH 4. The host product size: 164 * 136 * 45 mm, transmitter size:5 * 2.6 * 10.5 CM 5. The power supply mode:The host 3 * AAAThree 7 battery or adapter, transmitters 2 * AAA batteries two 6. The packing list: host * * 1 + 1 + transmitter adapter * 1 + specifications