Alarm Lock PG21MS Door Alarm with 9V Battery

The Alarm Lock PG21MS is a compact, battery-powered door alarm designed to provide audible warning when a protected door is opened. Ideal for commercial and retail environments, this unit helps deter unauthorized exits, reduce theft, and enhance perimeter awareness.

Powered by a standard 9V battery, the PG21MS offers simple installation without the need for wiring. It mounts directly to the door or frame and activates when the door is opened, emitting a loud alarm to alert staff and occupants.

Common applications include emergency exit doors, rear service doors, restricted access points, and retail loss prevention setups. Its self-contained design makes it well suited for retrofit installations where running power is not practical.

Key Features:

• Battery-powered (9V included)

• Audible alarm activation on door opening

• Easy surface mount installation

• No wiring required

• Ideal for retail, commercial, and institutional use

• Compact and self-contained design

The Alarm Lock PG21MS provides a simple and effective solution for monitoring unauthorized door openings in commercial environments.