KKmoon WiFi & RF Smart Switch Module Intelligent Household Home Appliances Controller Mobile APP Remote Control

features low-cost and easy-to-install, can be used in your home, office, hotel and other places.
Features:
Employs Zigbee 3.0 technology to achieve wireless control, and works with mobile APP to control light switches remotely even when you are not at home.
Can also works with a RF controller to achieve remote control(RF controller not included).
Compatible with Alexa and Google Home for hands-free voice control, more convenient.
Can work independently from traditional switches, no interference.
With 2 Gang design, it can control two switches at the same time.
With timer and count down settings to program the time when you need the switch to be on/off.
With detailed instructions provided, making it easy to install and set up.
Note: this product must work withZigBee Gateway 3.0 or higer version