LiftMaster G3714RV I-Beam Rail Assembly (1pc, 14') driveguard driveway alert system Also included are lithium batteries

Also included are lithium batteries with five-year service life and a visor clip

Hands-free communication at door

100 ° and 180 ° opening angle versions

Battery: 23A Alkaline

Smart Garage Door Opener® receiver technology allows for easy programming with just a push of a button

LiftMaster G3714RV I-Beam Rail Assembly (1pc, 14') driveguard driveway alert system Also included are lithium batteriesLiftMaster G3714RV I Beam Rail Assembly (1pc, 14') This is a One Piece 14 feet (4. 27m) Rail Assembly for Chain Drive Openers. This complete rail is used to install various LiftMaster and Chamberlain Chain Drive Garage Door Openers. Check the manual or replacement parts section for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster 3714PL LiftMaster 3714RV LiftMaster