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The Alarm Lock PG21MB is a reliable exit alarm designed for surface mount installation. This unit includes a nine-volt battery.
Surface mount design for easy installation
Includes a nine-volt battery for immediate use
Compatible with mortise cylinder standard cam; sold separately
This exit alarm is ideal for securing doors while providing an audible alert when opened.
Brand: Alarm Lock
MPN: PG21MB
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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