Low-profile, high resolution light grid for monitoring locking edges on elevators and accesses, Thru-beam light grid with integrated controller, In accord with EN81-70 and EN12015/16, Dense monitoring field with up to 135 beams ensures that small objects are detected, Object detection up to distance of zero, Housing: aluminum, Operating voltage: 11 ... 30 V DC, Connection: M8 x 1 connector, 4-pin