
PG21MSS Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $234.00 | Condition is New, ALARM LOCK PG21MSS SYSTEMS INC KEY ACTIVATED DOOR ALARM W/STROBE, FREE SHIPPING | 98.6% |
![]() | $335.71 | Condition is New, ALARM LOCK PG21MSS Exit Door Alarm,Gray,Aluminum,95 dB 1HLC6, FREE SHIPPING | ![]() |

The PG21MSS Exit Single Door Strobe Alarm Lock is a versatile and reliable security solution designed for exit doors in commercial and industrial settings. This product is an essential addition to any fire safety system, providing bothaudible and visual alarm notifications in case of an emergency.
The PG21MSS is a single door exit device, engineered to meet the demanding requirements of high-traffic facilities. It features a robust, yet sleek design, with a stainless steel construction that ensures durability and resistance to wear and tear. The lock mechanism is designed to provide smooth and secure operation, while the exit function allows for quick and easy egress during normal use.
One of the most notable features of the PG21MSS is its integrated strobe alarm. In the event of an emergency, the lock activates the strobe light, providing a clear and visible alert to anyone in the vicinity. This is particularly important in noisy or dimly lit environments where audible alarms may not be easily heard. The strobe light conforms to industry standards for emergency lighting and is designed to provide ample illumination to facilitate safe egress.
The PG21MSS also features a powerful 90dB horn alarm, which provides an audible alert in addition to the strobe light. The alarm is activated when the door is opened during a fire alarm condition, alerting occupants to the potential danger and instructing them to evacuate the building. The alarm can be easily silenced once the threat has passed, ensuring that normal operations can resume.
The PG21MSS is also equipped with a number of other features to enhance its functionality and convenience. It includes a self-diagnostic function that allows for easy maintenance and troubleshooting, as well as a battery backup system that ensures the alarm functions even during power outages. The lock can also be easily integrated with most fire alarm systems, allowing for seamless communication between the two devices.
In summary, the PG21MSS Exit Single Door Strobe Alarm Lock is a high-performance security solution that provides both audible and visual alarm notifications in case of an emergency. Its robust design, integrated strobe light and horn alarm, and easy integration with fire alarm systems make it an essential addition to any fire safety system in commercial and industrial settings.
Pros and Cons of Buying an Alarm Lock PG21MSS Exit Single Door Strobe
The PG21MSS Alarm Lock by Magnetic Alarm Locks is a security solution designed for single doors with an integrated strobe light. This lock provides an added layer of safety by triggering an alarm and strobe light when the door is forced open. In this analysis, we will discuss the advantages and disadvantages of purchasing a PG21MSS Alarm Lock.
Pros:1. Enhanced security: The PG21MSS Alarm Lock's primary function is to deter unauthorized entry by triggering an alarm and strobe light when the door is forcibly opened.
2. Versatility: This lock can be used in a variety of applications, including residential, commercial, and industrial settings.
3. Easy installation: The PG21MSS Alarm Lock can be installed on doors without requiring any major modifications. It can be used as a replacement for standard door locks.
4. Fire-resistant: The PG21MSS Alarm Lock is designed to withstand fire conditions for up to 180 minutes, ensuring the safety of occupants during emergencies.
5. Low maintenance: The lock requires minimal maintenance, making it a cost-effective solution for securing doors.
Cons:1. Cost: The PG21MSS Alarm Lock may be more expensive compared to standard door locks.
2. False alarms: There have been reports of false alarms triggered by the lock. This can be frustrating for users and may lead to the lock being ignored.
3. Complex wiring: The installation process may involve complex wiring, which could be challenging for those without electrical expertise.
4. Limited compatibility: The PG21MSS Alarm Lock may not be compatible with all door types and security systems.
5. Battery-operated: The lock is battery-operated, which means it requires regular battery replacement to ensure proper functioning.
Conclusion:The PG21MSS Alarm Lock by Magnetic Alarm Locks offers enhanced security features, including an integrated strobe light and alarm system, making it an attractive option for securing single doors. However, its higher cost, potential for false alarms, complex installation process, and limited compatibility are significant drawbacks.
Recommendation:If you prioritize security and are willing to invest in a more advanced door lock, the PG21MSS Alarm Lock could be a suitable choice. However, it is essential to consider the potential cons and weigh them against the benefits before making a purchase. If false alarms or complex installation processes are deal-breakers, you may want to explore alternative security solutions.
Details:
15 sec, long-life 9v battery powered supplied ; low alert. Always armed mode, status indicator - red when armed, entry delay time options 15 sec.
specifications entrysyst:
- brand: Alarm Lock
- mpn: Pg21mss
- part type: Strobe
- included components: Single Door With Strobe
- control method: Touch
- sensor technology: Contact Sensor
- color: Silver
- customer package type: Standard Packaging
- batteries required: Yes
- power source type: Battery Powered
- voltage: 9.0
- material: Metal, Plastic
- mounting type: Door Mount
- unit count: 1.0
- upc: 785026085407
- package dimensions lxwxh: 12.76x5.12x2.99 Inches
- weight: 2.09 Pounds
returns entrysyst:
- policy: no returns
shipping entrysyst:
- transit: 4-9 days
- service: standard, usps ground advantage
- carrier: usps
- type: fixed
- class: standard
general entrysyst:
- category: Home & Garden > Security > Door Entry Systems Intercoms
payments entrysyst:
- wallet: google-pay
- credit card: discover
- other
offer entrysyst:
- prices: $234.00–$335.71
- item condition: New
- in stock #: 2
- started: june 21, 2025
- options: ship-to-home
- sold #: 17
- availability: in stock
seller entrysyst:
- rating: 100.0%
- # reviews: 3222
- city: dothan, alabama
Grouped With:
- YG03: ALARM, Yardgard
- 315999188082: KEYPAD SECURITY ALARM SYSTEM, Dick Smith
- ADC-VDB770-BZ: VIDEO DOORBELL, Alarm Com
- LNB-6: ALARM CONTROL SYSTEM KIT, Alarm Controls
- 48635-0-1: ALARM, Leviton
- ES4600-K1-T1: SECURITY ALARM SYSTEM, Dsi
- 49-422: SAFE RADIO ALARM CHIME, Safe House
- YL-323: ALARM, Online Gym Shop
- 087306545797: ALARM SENSOR, Eva Logik
- 788934373345: SECURITY KIT ALARM SYSTEM, Soujamao
- 727354254162: SECURITY ALARM, Sanjie


