Specifications: Model: MS-103 Input voltage: 90-250V AC, 50/60Hz Max. Current: 15A/Gang; Total 15A Temperature measurement range: -40~80 °C / -40~176 °F Humidity measurement range: 0~99% Wireless protocol: Wi-Fi 2.4GHz 802.11 b/g/n APP control: APP Smart Life (Android 4.4/IOS 8.0 or later) Temperature and humidity probe type: 3.3-5.5VDC Temperature and humidity accuracy: ±3%H ±0.5℃ Probe length: max. 30 meters available