Indoor and outdoor temperature and humidity measurement Weather forecast, alarm, snooze Fahrenheit or Celsius switchable Large color screen display Moon phase display, atmospheric pressure display 12/24 hour time, calendar, week display Radio time automatic calibration function (WWVB DCF , with function) Seven countries week display: EN FR SP IT DU DA (DCF and NO RCC-EU have this function) Specifications: 1. Measurement range: Indoor temperature display range: -9.9℃-+50℃ & 14℉-+122℉ Indoor humidity display range: 20%RH-95%RH Outdoor temperature display range: -40℃-+60℃ & -40℉-+140℉ Outdoor humidity display range: 20%RH-95%RH Atmospheric pressure display range: 600hPa/mb-1100hPa/mb & 17.72inHg-32.48inHg 2. Resolution: Temperature display resolution: 0.1℃ & 0.1℉ Humidity display resolution: 1%RH Atmospheric pressure display resolution: 1 /mb & 0.03 inHg 3. Error: 0℃-40℃/32℉-104℉: ±1℃/1.8℉ -20-0℃/40℃-65℃/-4℉-32℉/104℉-149℉: ±2℃/3.6℉ 40%RH-80%RH: ±5%RH 4. Host product size: 198x136x40MM, transmitter size: 50x26x105MM 5. Power supply: host 3xAAA batteries or adapter, transmitter 2xAAA batteries (batteries are not included in the shipment) Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Plug Type:UK plug,it applies to Malaysia, the United Kingdom and so on. Voltage:AC100-240V Color:Black Material:ABS Package Contents: 1 * host 1 * transmitter 1 * adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.