Save Up To 80% On Outdoor Lighting Costs with Motion Activated Lighting! With over 40 motion activated lights to choose from, Heath/Zenith will satisfy your outdoor lighting needs. Have light when you need it, not when you don’t. All Heath/Zenith motion activated security lights use an exclusive patented photo control to ensure night-time only operation. Heath/Zenith’s motion lights provide extra security at night when motion is detected by activating full-power lighting.