The Qolsys QZ2140-840 is a Z-Wave dimmer outlet. The IQ Dimmer allows you to control a lamp or other plug-in device remotely. The dimmer gives you the control to turn any plug in lamps On, Off or control dimming of any lamps with dimmable light bulbs. The QZ2140-840 plugs into any standard outlet and even acts as a repeater to strengthen the performance of your Z-Wave network. Create easy rules to automate your home, notifications that let you know when your light has been left on.