Alarm Lock PG21MSS Exit Door Alarm with Strobe Light

Model: PG21MSS

About this item
Battery operated surface mounted door alarms. Alarms magnetically activated. Easy to install. Convenient plug-in ?No cut? jumpers.
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 Retail Price:  $366.00
 Our Price:  $171.88

Two selectable arming modes

1. Always armed mode when key is turned counter clockwise to the disarm position, the key cannot be removed. To remove key, turn back to arm mode, thus keeping unit armed always.

2. Standard arming mode when key is inserted turning counter clockwise will disarm and key can be removed. Turning key clockwise will arm and key can be removed.

PG21MSS Strobe unit include a highly visible amber strobe will flash when unit goes into alarm

Max-Flex Terminals, allowing for any or all of the following:

Continuous power with the addition of an external power supply

Multiple door monitoring permitted with built-in external reed switches

Status Indicator The LED will indicate RED when armed.

Entry Delay Time Options include 15 seconds, 1 minute 15 seconds & 3 minutes 15 seconds

Sleek model design key-activated door alarm for use on standard size and narrow stile doors

Unauthorized use of door causes alarm to sound and activates LED indicator

Options include continuous alarm, minute shutdown with auto reset and exit/entry delay

Uses standard mortise cylinder (not included)

Tamper switch supervised

For exterior key control, optional RIM cylinder may be used

Metallic silver or duronodic finish

Relay option

PG21MSS Strobe unit include a highly visible amber strobe will flash when unit goes into alarm


Power: uses 9v battery (supplied).

Alarm: Dual piezo siren measured at 95db.

Cylinder: Accepts most 1-1/4? mortise cylinder used for interior activation (not supplied) and standard size rim cylinder used for exterior activation (not supplied).

Installation: Surface mounted for single or double doors.

Cover: Die cast metal.

Model: PG21MSS

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