OPEN only (all LiftMaster operators) or SAFETY only (LiftMaster operators with type B2 C2 L2 T T1 or TS control wiring) after vehicle passes over treadle.
The weight of the vehicle compresses an electric switch which sends an open signal to the door.
Requires a 2-wire connection to the operator but does not require power to function
For use with various LiftMaster® and Chamberlain® DC Wi-Fi® Wall Mount Residential Jackshaft Garage Door Operators; powered by myQ® and manufactured 2023 to present
The unit will feature a yellow circle learn button