Optex Wireless RC-20U Chime
The Optex RC-20U chime features three chime tones and is capable of working with up to 12 Optex wireless transmitters total. The new Optex Wireless 2000 units are "backwards" compatible meaning they will work with all of the original Optex Wireless 1000 units and systems. The RC-20U chime receiver also features a Form "C" relay for activating other chimes, lights etc.