2 pcs/set Tuya Smart 1/2/3 gang 2 way WiFi switch glass wall touch switches compatible Alexa Google home voice control

Note: the switch A can use as independence switch, but the Switch B can`t work independence When doing the app pair setting, please only operate on the Switch A according to the user manual step.Please shut down the power when doing the installation & un-installation!!Pair Switch A and Switch B (all switch had paired at factory, if buyer find any didn`t paired, do below step)1. Press and hold Switch A pair button till the red LED come up on the wifi signal icon2. Then press the Switch B pair button to send the signal, the red LED should disappear once pair success3. Do these step one by one pair each gang