Alarm Lock PG21MB Narrow Stile Door Alarm, Metallic Bronze

The PG21MS Series from Alarm Lock is a compact, surface-mounted door alarm designed to dramatically improve security at single or double-door openings where unauthorized propping or exit use may occur. This narrow-stile model (Metallic Bronze finish) installs easily on aluminum-frame or narrow stile doors and includes a magnetic-contact monitoring system that triggers a sweeping 95+ dB siren when armed and the door is accessed.

Key features include:

• Two arming modes: Always Armed (key cannot be removed when disarmed) or Standard On/Off Mode.

• Entry-delay functions (15 sec, 1 min 15 sec, 3 min 15 sec) and optional minute-shutdown auto-reset features.

• Status LED indicator (red when armed), cover tamper protection and door-magnet supervision.

• Built-in Form-C relay rated for 24 V AC/DC use, enabling connection to alarm panels or building systems.

• Uses a standard 9 V alkaline battery (included) with low-battery indication, or can be powered by external 9-12 V DC supply for continuous operation.

• Dimensions: 11″ L x 2½″ W x 2⅜″ D (9″ L if strobe option omitted). Finish includes metallic bronze (MB) version or metallic silver.

• Cylinder NOT Included

With its narrow-stile form factor, adjustable alarm behaviors, and tamper-proof design, the PG21MS is well suited for schools, nursing homes, restaurants, retail back-of-house doors, or any exit door that needs monitoring and deterrence but not full wired access control.