The BLC-Glare / Twilight Sensor is a wireless light sensor for glare and twilight detection. The sensor is equipped with a battery and solar cell for charging the battery.
The BLC-Glare/Twilight sensor can be easily installed by placing the mounting bracket on the inside of the window frame and then clicking the BLC-Glare/Twilight sensor in the bracket with the light sensor facing outside.
The ambient light sensor measures the actual lux level at the sensor head.