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Sentry 300 Photo Eye Kit 550012 Sentry 300 Photo Eye Kit 550012
The Photo Eye Kit 550012 is a secondary safety device. It produces a beam between the 2 units. When the beam is broken it will keep the gate from closing. It requires wires to be connected to both units (20 gauge) for operation. Typically a swing gate needs two sets of photo eyes for the best area protection