Since touch screen tend to break and are expensive to replace, I suggest that we instead use a simple button interface. I'm sure you could find some kind of USB button that you can hook up to the phone on your wall.
The zigbee switch also has a relay in it, which is the majority of the cost, but if you're controlling a bulb with a built-in receiver, you're not using that relay. There really aren't much cheaper zigbee, zwave, wifi or bluetooth wall switches.
The zigbee switch also has a relay in it, which is the majority of the cost, but if you're controlling a bulb with a built-in receiver, you're not using that relay. There really aren't much cheaper zigbee, zwave, wifi or bluetooth wall switches.