Intelligent lighting is an essential part of every smart home and provides added convenience and peace of mind. Control4 Essential Wireless Lighting products are an addition to the Control4 Wireless Lighting product line and are designed with the essential features enabling them to be included with every Control4 system. The Control4® Essential Auxiliary Keypad provides a seamless solution for three-way control of an Essential switch or dimmer by wiring to the switch or dimmer using the existing wiring in the wall.