Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Note: Users need to buy an extra RF remote controller to control the product locally. Overview: This RF WIFI Switch Relay Module is a low-cost, affordable device 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. It allows users to remote turn on/off connected appliance of different types and brands via app "Tuya/SmartLife" from anywhere in the world, and it can provide you with amazing smart home control experience. It sends data to cloud platform through the WiFi Router, which enables you to remotely control all appliances with APP "Tuya/SmartLife" on your smart phone. It makes all your home appliances smart, as long as your phone has network you can remotely turn on or turn off your appliances from anywhere at any time. And by setting timing schedules for your appliances, you can maintain an carefree life. Product Features: *Supports WiFi network. *Supports status tracking: device status timely provided to the "Tuya/SmartLife". *Remote Control: Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electrocar, etc. *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. *Timing Function: Supports max 8 enabled scheduled/countdown/loop timers for each device. *Supports numerous WiFi smart switches on one smart phone. *Voice Control: Compatible with Amazon Alexa/Echo, for Google Home, for Google Nest, IFTTT. *The cloud server of Smart Switch Module is "Amazon" AWS global server. *Supports off-line operation: APP remote control even without network suddenly. Specifications: Voltage range: 90-250v AC(50/60Hz) Max current: 10A Max Wattage: 2200W Size: 90*40*24mm (L*W*H) Transmission mode: Wi-Fi communication Wireless Standard: 802.11 b/g/n & 433MHz RF Control mode: Mobile APP for Tuya/SmartLife Platform: for Android, iOS Control distance: infinity Controlled lines: 1 Enclosure Product material: Fire-retardant ABS Humidity: 5%-90%RH, Non-condensing Security Mechanism: WPA-PSK/WPA2-PSK Operating Temperature: -20ºC-70ºC Package Information: Package Size: Approx. 9*4.2*2.5cm/3.54*1.65*0.98in Package Weight: Approx. 60g/2.1oz Packing List: 1 * Smart WIFI Switch Module 1 * Set of Mounting Screws 1 * User Manual (English) Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.