Usage Tips:Tuya Smart WIFI five-day weather forecast 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 WIFI time automatic calibration 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 2. Resolution: Temperature display resolution: 0.1℃ & 0.1℉ Humidity display resolution: 1%RH 3. Error: 0℃-40℃/32℉-104℉: ±1°C/1.8°F, other ranges: ±2°C/3.6°F 40%RH-80%RH: ±5%RH, other ranges: ±8%RH 4. Host product size: 198x136x40MM, transmitter size: 50x26x105MM 5. Power supply:3 x AAA batteries for the host or adapter, 2 x AAA batteries for the transmitter (batteries are not included in the shipment) Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Plug Type:UK plug,it applies to Malaysia, the United Kingdom and so on. / US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. / EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Color:White 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.