Seco-Larm SM-4201-LQ Track-Mount Overhead Door Magnetic Contact Switch, Rugged Aluminum Housing, 36" Wire Leads, For Closed Loop Circuits, 3" Gap, Weatherproof, Mounting Bracket Included

Seco-Larm SM-4201-LQ Track-Mount Overhead Door Magnetic Contact Switch, Rugged Aluminum Housing, 36" Wire Leads, for Closed Loop Circuits, 3" Gap, Weatherproof, Mounting Bracket Included

Zooz Z-Wave Long Range Relay ZEN17 800LR for Awnings, Garage Doors, Sprinklers, and More | 2 x NO-C-NC Relays (20A, 10A) | Hub Required (Compatible with Z-Box, Home Assistant, and Hubitat)

WESUA Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket