Somfy Optical Eyes 3.5m

Pair of Somfy Optical Eyes for roller shutter doors which work with the Somfy Rollixo Control Unit 
For door widths of upto 3.5m
They fit into the bottom rubber door seal and then wire into the back of the existing Somfy Bottom Slat Transmitter
They transmit and receive beams of light through the rubber safety edge seal. When the signal is blocked, by pressing the rubber, the door will stop and reverse the door for safety.