LiftMaster Thermostat Control Heater (Plate) | LIF-UN201 15-19478 It has a single relay

It has a single relay

1 includes all the essential components needed to ensure a complete and effective seal for your gate and access systems

Pressure-sensitive edge sends a signal to stop and/or reverse gate operation when sensing obstructions

maximum range: 50 feet

as well as HID® passive cards with non-proprietary 26 – 37 bit “pass-through” formats

LiftMaster Thermostat Control Heater (Plate) | LIF-UN201 15-19478 It has a single relayLiftMaster Thermostat Control Heater (Plate) LIF UN201 LiftMaster UN201 Heater Option 500 watt thermostat, for use 32 degrees and below temperature. Mounting Bracket included. Works with Mega Swing, Mega Slide, Mega Slide X. Features 500 Watts Maintains a suitable temperature inside a control enclosure For temperatures below 32 degrees Fahrenheit Compatibility LiftMaster MSW LiftMaster MSLX LiftMaster MAT LiftMaster MAST