Digital Weather Station with Stand and Indoor Outdoor Sensor Wireless App Control Weather Forecast Station with Colorful VA Display Screen 500FT Wireless Transmission Sunlight Snooze Phase Calendar Temperature Thermometer Humidity Monitor for Home Specification: Plug type: US plug Voltage: 110V Power:  3*AAA Battery or Power adaptor for Host(batteries are not include) 2*AAA Battery for Sensor(batteries are not include) Indoor temperature display range: -9.9℃～+50℃/14.18℉～+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 Temperature display resolution: 0.1℃/32.18℉ Humidity display resolution: 1%RH Error: 0℃～40℃/32℉～104℉: ±1°C/33.8°F other ranges: ±2°C/3.6°F 40%RH～80%RH: ±5%RH other ranges: ±8%RH Host Size: 198*136*40mm/7.79*5.35*1.57in Sensor Size: 50*26*105mm/1.97*1.02*4.1in Package size: 207*65*149mm/8.15*2.56*5.87in Package weight: 532g/18.76oz