Wireless outdoor brightness sensor FAH. For outdoor mounting, 65x50mm, 35mm deep. The wireless outdoor brightness sensor FAH powered by a solar module covers the range from 300 to 30000 Lux and transmits a signal to the Eltako wireless network every time there is a
brightness change of more than approx. 0.5 kLux within approx. 10 seconds. If the brightness does not change, a control signal is sent approx. every 17 minutes.