#4050705 Raynor Electric Opener PEC-R4 Photo-electric Replacement Sensors (pair) with mounting brackets, wires and nuts/bolts package.

• Includes both the Emitter and Receiver sensors
• Includes mounting brackets, wires and nuts/bolts package
• For use with the Raynor R170/R270 and Flitestar electric garage door openers only.Some R170 openers used PEC-R3 sensors - check yours and make sure you order the correct model of sensors.
• If you have 2 wires coming out of each sensor then you have the PEC-R4 sensors. If there's 3 wires in one sensor and 2 in the other sensor then you need to order the PEC-R3 sensors.
• If you need sensors for any of the other Raynor openers (Pilot, Aviator, Commander or Navigator) use Liftmaster replacement sensors.