SmartOne wall switch 4in1 - practical ZigBee light control The SLC SmartOne wall switch 4in1 impresses with its versatility as a remote control or wall dimmer. It can be used for simple switching and dimming, as well as for controlling lights with Tunable White (CCT), RGB, RGB+W or RGB+TW(CCT). This makes the switch a universal control for all ZigBee lights and bulbs. It can be mounted on any flat surface and requires no wiring thanks to its operation with a button cell - Touchlink with ZigBee-enabled devices - Fits in standard 55x55mm frames - Compatible with Philips Hue, Ikea, Homey, SmartThings, futurehome, for example