Wireless Remote Monitoring Electronic Thermometer And Hygrometer $ 7.25 Product Information: Power supply: 1.5V 2 *AAA batteries (batteries not included) Outdoor transmission distance: up to 100 meters Wireless frequency: 433 Hz Temperature measurement range: -20~70 degrees Celsius Humidity measurement range: 20~95% Temperature resolution: 0.1 Humidity resolution: 1% Temperature accuracy: +/-1 Humidity accuracy: +/-5% Host four weather display: sunny, cloudy, cloudy, rain The host week shows 7 languages: English, Italian, French, Dutch, Spanish, Danish, German