~40℃ RF: 433MHz RF Standard Code: 1527 WIFI Standard: IEEE 802.11bgn 2.4Ghz Support System: Above iOS 8.0 or Android 4.3 Hub Requirement: No Network Security: WPA/WPA2” Control Mode: APP/RF/Manual Certification: FCC, CE, RoHS APP: Tuya Smart/Smart Life Safety and Certification The wall switch adopts premium materials, such as fire-resistant shell, phosphor bronze connects and advanced PC+TEMPERED GLASS, can provide fire prevention, overload protection to protect your family. Our all products certificated by CE, FCC, and RoHS. Without using any harmful chemical substances, please fell relived about usage. Smart Scene Creating your own scene to trigger ON/OFF home appliances by departure mode, home mode, temperature, humidity, or other environmental conditions. Share Function haring devices with your family members to eliminate extra steps for connection. Timer Setting Setting a schedule o...