LiftMaster 041-0039 Cover (B4545) 12 ft arm SEA Mandatory Primary/Secondary Kit |

SEA Mandatory Primary/Secondary Kit | SEA-23001220

Adjustable courtesy light output up to 4 minutes

Open a 36 ft (11 m) arm in 8 seconds

Nexx Gate is a weather-resistant companion device that works with all USAutomatic gate openers equipped with the latest UL325 obstruction-sensing devices

It is recommended you add a photo beam for convenience and/or to minimize complications

LiftMaster 041-0039 Cover (B4545) 12 ft arm SEA Mandatory Primary/Secondary Kit |LiftMaster 041 0039 Cover (B4545) 041 0039 is a Chamberlain Replacement Cover. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Compatible with: Chamberlain Model B4545 Secure View Video WiFi Garage Door Openers