The Hoftronic Cali LED high bays are very unique LED high bays. Not only do they have an extremely economical light output of 200 lumens per watt, but you can also literally connect a sensor to the high bays in no time at all. With this 1-10V microwave sensor and daylight sensor in one, you can save on energy consumption. The sensor also ensures that the LED high bays automatically switch on and provide extra safety in the room.