Power Pack Item - Motion Sensing and Dimming Power and Relay Packs Use With - Motion Sensing and Dimming Acuity Sensor Switch Low Voltage Sensors Operating Voltage - Motion Sensing and Dimming 120 V AC 277 V AC Color - Motion Sensing and Dimming Black Output Voltage - Motion Sensing and Dimming 15 V DC @ 150mA Communication Method - Motion Sensing and Dimming Hard Wired