SEA Mandatory Primary/Secondary Kit | SEA-23001220 liftmaster cable with connector Sensitivity set at 3: The

Sensitivity set at 3: The unit will trigger at 125 decibels

We will contact you upon receipt of the order with availability if not in stock

LiftMaster SL575

proudly offers this seal kit

which is automatically saved in the receiver the first time it is used

SEA Mandatory Primary/Secondary Kit | SEA-23001220 liftmaster cable with connector Sensitivity set at 3: TheSEA Mandatory Primary Secondary Kit SEA 23001220 Mandatory Primary Secondary Kit For SEA Dual Slide Gate Openers Kit to connect and install 2 electronic control units and 2 motors in Primary Secondary mode. For Gate 1 DG and User 24V DG electronic control units.