What is Photocell?
Photocell, christmas term, means to Using lighting equipped with a Photocell sensor will save you both money and energy. Lights which use a Photocell will turn on and off at the appropriate time without you having to remember to flip a switch. Additionally, you can combine a photocell with a timer, which gives you the option of turning the lights off at a specific time. This is increasingly popular among outdoor lighting systems. By using both a photocell and a timer, the system will turn on when the photocell detects dusk, and turn off based on the settings of your timer.