LiftMaster 041C0494-2 Wall Control Panel External Modem Upper sprocket kit for HydraLift

Upper sprocket kit for HydraLift 20/20F

Optional plug-in Wireless LAN modules (SK-WLSE-MOD)

Easy to install and setup with the ULTRAMETER sensitivity display

connect to onboard RJ45 Ethernet connector RS-485 Command Bus: Single twisted pair

This is a replacement Motor and Sensor

LiftMaster 041C0494-2 Wall Control Panel External Modem Upper sprocket kit for HydraLiftLiftMaster 041C0494 2 Wall Control Panel This is a replacement Chamberlain Security+ Wall Control Panel. For use with various Chamberlain Residential Garage Door Openers. This door control is not compatible with Security+ 2. 0 Models. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as: LiftMaster 2C494 2 LiftMaster 2C494 1 LiftMaster