Note: Users need to buy an extra RF remote controller to control the product locally.Overview:WIFIRF Smart Switch is with a 433MHz RF receiver module inside. This wireless RF switch can be used together with the RF remote controller, which enables you to control appliances indoor without phone APP. The wireless remote switch allows users remote turn on/off connected appliance of different types and brands via app SmartLife from anywhere in the world. It is a low-cost, and affordable device that can provide you with amazing smart home control experience.Features:*Supports control by 433MHz RF Remote. After successfully learning codes with 433MHz RF Remote, the RF switch can be turned on/off by remote control indoors.*Supports status tracking: device status is timely provided to SmartLife.*Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electrocar,etc.*Supports timers for each device, you can maintain a carefree life.*Compatible with Amazon Echo, for Google Home, for Google Nest.Specification:Voltage Input: 90-250V AC(50/60Hz)Max. Current: 10AMax. Power: 2200WSize: 90*40*24mm (L*W*H)Transmission mode: Wi-Fi communicationWireless Standard: 802.11 b/g/n 433MHz RFControl mode: Mobile APP SmartLifePlatform: for Android, iOSControl distance: infinityControlled lines: 1Humidity: 5%-90%RH, Non-condensingOperating Temperature: -20C-70CEnclosure Material: Fire-retardant ABS Package Size: Approx. 9*4.2*2.5cm/3.54*1.65*0.98inPackage Weight: Approx. 57g/2oz Packing List:1 * WIFIRF Smart Switch1 * Set of Mounting Screws1 * User Manual(English)