Introduction: 1.Frequency : 433.92MHz/868.35MHz 2.Control up to 5 receiver board. 3.Single motor control/ Group motor control selectable. 4.Current Consumption: 10mA 5.Use 1 pc of 12V( 27A ) battery. 6.Compliant with Europe I-ETS 300-220 and UL FCC 15/C 7.PCB Dimension:85*41*11mm.