This WIFI relay based on AI- ESP-01S WIFI module. It is designed for smart home, Internet of thing and other DIY project. With this smart relay, you will easy to DIY your smart switch to control any device by your phone anywhere. We support the APP and LUA source code. We had upload a demo code in the ESP0-01S, just supply a DC5V power, then you can control it. Colour:As shown Material:plastic Package Contents: 4 x Relay Module 4 x ESP01S Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
Availablity: 3-5 days
Free shipping & return for orders over $200