heben Germany Taibang KNX brightness sensor LUNA134KNX, the remote installation includes a host and a light sensor head, 10 channels, four external sensor channels, six logic channels that can connect up to three sensor head, the device receives operation, four button to set the brightness value and delay, numerical display. LUNA131SKNX is integrated KNX brightness and temperature sensors, integrated for outdoor installation, protection class IP54, - 5 freely configurable channels Confidence: Sun channel 1 and 4-channel universal, with automatic sun protection channel, especially, shutters, awning and shutter, Universal channels allow connection brightness and temperature. LUNA133KNX KNX brightness sensor for the outdoor installation, one for outdoor installation, the brightness range is 1-100000lx, protection class IP54, can be a combination of KNX weather station can control three surface sun.