Relay Pack, Compatible with Series Acuity Sensor Switch Low Voltage Sensors, Communication Method Hard Wired, Input Voltage 120/240/277V AC, Output Voltage 120/277V AC, Output Current 20 A, Includes 20 A Relay, Standards Plenum UL2043, RoHS Compliant, Title 24 Compliant, Overall Depth 1.88 in, Overall Height 3 in, Overall Width 2.25 in, Maximum Operating Temperature 122 Degrees F, Minimum Operating Temperature 14 Degrees F, Sensor Capacity 7, Color Black, Manufacturer Warranty 5 yr