Alarm Lock Narrow Stile Door Alarm (Aluminum) | ALA-PG21MS Dropship 2 - ET8-RO-W-M mullion readers

2 - ET8-RO-W-M mullion readers

and 32 character OLED display

maximum range: 50 feet

Travel Speed 1 ft/s (30 cm/s)

LiftMaster SL3000501U

Alarm Lock Narrow Stile Door Alarm (Aluminum) | ALA-PG21MS Dropship 2 - ET8-RO-W-M mullion readersAlarm Lock Narrow Stile Door Alarm (Aluminum) ALA PG21MS The Alarm Lock Narrow Stile Door Alarm with the product details you provided (Aluminum) PG21MS is a security device designed for narrow stile doors, commonly found in commercial and industrial settings. This door alarm helps enhance security by providing an audible alarm when the door is opened or tampered with. Features Narrow Stile Design: The PG21MS is specifically designed to fit narrow