50 Meter 164ft Wireless Weather Station Indoor Outdoor Max Min Thermometer Hygrometer CFz Forecast Sensor TransmitterOOTDTYWeave Wired Weather Station Indoor Outdoor Max Min Thermometer Hygrometer CFz Forecast Sensor Transmitter 50 Meters 164ftFeatures:Indoor & Outdoor Temperature Measurement & Humidity, Celsius & Fahrenheit ConversionHighest & Lowest Temperature Humidity Memory Function View Historical Temperature & Humidity DataConnect Up to 3 Outdoor Unit s (package with one outdoor unit)Comfort Indication, Temperature and Humidity Trend IndicationLarge Screen Without View LCD DisplayThe outdoor unit can be hung through hanging holes or standing on a horizontal surface. SpecificationsTemperature measurement range: -19.9 C to 70 C ( -3.8 F to 158 F)Humidity meter range: 10% - 99% RH. Temperature Display Resolution: 0.1 C or 0.1 FRhumidity Resolution: 19% RHe-Wired Measurement Distance: 50 meters (164 feet)Power Supply: 2X AAA Battery (Not Included)Package Included:1 * Wireless Weather Station1/2/3 * Transmitter