This circuit board is for DoorKing models 1601, 1602 and 1603 barrier gate operators.
Please note: circuit boards can not be returned for a refund. Please be sure you require this part, and it is the correct model. If there is a problem "out-of-the-box", call us to set up an RMA for evaluation by the manufacturer for warranty replacement. You must call us to process the paperwork on your behalf with DoorKing.