Lithonia Lighting Sensor Switch™ nLight® Electronic low-voltage phase control dimming power pack has voltage rating of 120-Volt AC at 60 - 50-Hz. Remotely configurable/upgradable phase control dimming power pack communicates with nLight® network. It is pushbutton programmable and has configurable relay logic. It has self-contained relay and extended chase nipple. It comes with manual ON to auto OFF mode, timed auto to override ON mode, timed manual to override ON mode, manual ON to full auto mode and predictive OFF modes. It measures 2.53-Inch x 1.83-Inch x 3.38-Inch. Phase control dimming power pack is UL/cUL listed and RoHS compliant.