Digital Wireless Weather Station with Dual Mount Wind Sensor 433MHz Indoor Outdoor Thermohygrometer Temperature Humidity Wind Direction Speed 328ft Remote Monitoring and Alerts Specifications: Color: Silver Material: ABS Application: for Indoor and Outdoor Use Indoor Temperature Range: 0~50℃ (32~122℉) Outdoor Temperature Range: -40~60℃ (-40~140℉) Temperature Accuracy: ±1.0℃ Humidity Range: 20%-90%RH Temperature Display Unit: ℃/ ℉ Selectable Humidity Accuracy: ±5% Wind Direction: E, S, W, N, SE, NE, SW, NW Wind Direction Accuracy: ±10º Wind Speed: 0~50m/s Accuracy: 0.1m/s Wind Speed Unit: m/s, km/h, mph, knots, bft Weather Forecast: Sunny, Overcast, Cloudy, Rainy, Snowy Time Format: 12H/ 24H Transmission Range: 433MHz, about 100m/ 328ft (Open Distance) Power Supply (Batteries not included): Receiver: 2 * 1.5V 3A Battery; Transmitter: 2 * 1.5V AA Battery or AA Battery Transmitter Size: 51 * 24cm / 20.1 * 9.5in Receiver Size: 12 * 6.5 * 2.5cm / 4.7 * 2.6 * 1.0in Package Size: 30 * 20 * 10cm / 11.8 * 7.9 * 3.9in Package Weight: 1200g / 2.65lbs