The Stratus is the smartest low voltage transformer on the market. Take all the guess work out of making sure your lights come on when you want them to. Simple scheduling with the Haven app is all it takes. With our Automatic Time Adjustment feature, you won't need to worry about sunrise and sunset times changing throughout the year. It even adjusts for Daylight Savings Time. You'll never be frustrated with antiquated lighting technology again. Turn your existing landscape lighting system into a 'smart' system. No Timers. No Light Sensors. Just Easy.