Crestron DIN-1DIMU4 DIN Rail Universal Dimmer 1 Feed 4 Channels. Power on , no further testing as lace of sources.Its an Used Item so consider SCRATCHES. Please check out the pictures for more details. Crestron will not be responsible. The item "Crestron DIN-1DIMU4 DIN Rail Universal Dimmer 1 Feed 4 Channels" is in sale since Thursday, January 3, 2019. This item is in the category "Consumer Electronics\Surveillance & Smart Home Electronics\Other Smart Home Electronics". The seller is "elcycle" and is located in Paterson, New Jersey. This item can be shipped to United States.