Zone Controller; Item Zone Controller; Type Stand Alone/Expandable; Overall Dimensions 3.94 Inch Length x 2.76 Inch Width x 6.61 Inch Height; Current Rating 2 Amp; Input Supply Rating 120 Volt AC; Temperature Rating 50 to 104 Deg F (Storage); Inclusions/Features 32-Pin Connector 033-0037; Applicable Standard UL 873, CSA C22.2, ETL