The Wattstopper InteliSwitch TS-400-24-G is a 24VAC digital time switch in grey, engineered to automatically extinguish lighting after a preset interval in commercial and institutional settings. Simple pushbutton operation enables on-demand time selection without external programming, supporting energy compliance in conference rooms, corridors, and utility spaces. Operates on 24VAC control voltage with a grey finish for coordination with standard decorator wallplates.