Abstract: A display unit for customers to inspect lighting fixtures being offered for sale, wherein the customer can easily actuate the lights present in the display for a finite period of time. A push-button control system is featured wherein the button activates a microswitch, which turns on a motorized timer circuit having a cam associated therewith. The lights on the display are electrically actuated when the microswitch is activated. The timer cam rotates until such time elapses as is required for the cam to recontact the microswitch. When contact is made again, the lights are extinguished, and awaiting the next activation.