Wires in behind existing switches or fixtures; Sense wires allow for control via connected, hard-wired switch; Minimum 5W/maximum 200W power; Compatible with latching, single momentary & dual momentary switches; Programmable on-level & ramp rate; Dual-band device; Works with Amazon(R) Alexa(R) & Google Assistant(TM) for voice control with Insteon(R) Hub & compatible voice control device;