SMART IR can only work with 38KHZ IR, please make sure your device is IR control or RF before purchasing. (Best way to distinguish IR and RF: Put hand in front of original remote,if it doesn't work ,its IR control . If it still works ,its RF control)
One single room one smart IR is recommended as infrared,just can not break through the wall.
DIY function only works with smart phone App control ,not avilable with Amazon Alexa or Google Home.
Only supports 2.4G WiFi connection/ System: Android 4.4 above and iOS 8.0 above.