Check the listing for details. Liftmaster 658200 Door Sensing Edge Connection Kit Vehicle Detection Systems. Condition: New. Listed at 60.95 USD. Liftmaster 658200 Door Sensing Edge Connection Kit Vehicle Detection Systems Liftmaster 658200 Door Sensing Edge Connection Kit Vehicle Detection SystemsDescriptionSensing Edge ConnectionsEdge Connection KitIMPORTANT NOTE: TAKE-UP REELS ARE NOT RECOMMENDED FOR USE WITH ANY FAILSAFE TYPE EDGE. USE COIL CORDS ONLY.Edge Connection Kit:Complete kit may be used with most sensing edges; kit includes two junction boxes - one for the door and one for the wall - a 3-wire coil cord (P/N 50 1042). Each sensing edge requires a means to connect it to the door operator. The means must be able to extend and retract as the door moves. Coil cords and take-up reels fulfill this function. A wireless connection may also be used. IMPORTANT NOTE: TAKE-UP REELS ARE NOT RECOMMENDED FOR USE WITH ANY FAILSAFE TYPE EDGE. USE COIL CORDS ONLY. Payments & Returns Policy