1-to-1 Indoor/Outdoor Wireless Thermometer Large Colorful Screen Temperature Humidity Monitor Weather Station ClockSpecification Indoor Temperature Range 20°C to 70°C 4°F to 158°F Outdoor Temperature Range 40°C to 70°C 40°F to 158°F Humidity Range 20 95 Comfort Indicators Dry Comfortable HumidTemperature Display Units °C °F Selectable default °C Temperature Resolution 0 1°C °FHumidity Resolution 1 Refresh Rate 10 secondsAccuracy Temperature ±1°C Humidity ±5 Wireless Reception Range 60 meters 197 feet RF Wireless Frequency 433 MHzPower Source Requires 7th Gen Batteries Batteries not included in standard shipment Features 1 Dual Temperature and Humidity Monitoring Measure indoor and outdoor temperature and humidity in both Celsius and Fahrenheit with a wide range of measurement o… $19.99Banggood.comDelivery: to Redlands ReportBuy!