1. Wide operating voltage: AC 100V-250V.
2. The extra-wide delay time adjustment: about 15seconds ~ 5 minutes adjustable!
3. Adjustable sensitivity: turn on the lights during the day or night and are free to choose
4. Effectively prevent power fluctuations, electromagnetic interference, more stable performance, to avoid a switch to other appliances as well as cell phone signals and other electromagnetic interference caused by incorrect switch lamps, more energy efficient and extend lamp life!