Leviton N0400-CP0 Remote Memory Control Panel with 4 Selectable Control Zones Applications: Churches, Schools, Conference Centers, Restaurants, Board Rooms, Universities Control lockout function with external key switch or other contact closure Front panel programmable or from PC with optional Luma-Net software and interface Mounts in deep 2-gang electrical box N0400-CP Controls up to 512 dimmer channels and raise/lower control over 4 zones by holding a button