LiftMaster 3950CGJ Chain Guard Kit CP-4 A unique 10-second time-out feature

A unique 10-second time-out feature prevents the system from being shut down by a single transmitter transmitting continuously

Frequency Response: -3dB

Chassis with post-mount provisions

Multi-Code 1-Channel Visor Transmitter Product Brochure

LiftMaster 3950CGJ Chain Guard Kit CP-4 A unique 10-second time-out featureLiftMaster 3950CGJ Chain Guard Kit The chain guard is intended to be used with LiftMaster commercial jackshaft operators installed on either live shaft or dead shaft doors. The chain guard is required to comply with UL requirements for applications where the drive chain is exposed lower than 8 feet. Manuals LiftMaster 3950CGJ Installation Manual