DSC WLS922L-433


Wireless Glassbreak Detector

Availability: Please Call for Availability

  • Factory New
Brand: DSC FireAlarm.com Part #: 51409 Categories: , Manufacturer Part #: WLS922L-433


Breaking a window is one of the easiest and most common ways for an intruder to enter a home or business. To help protect against this type of intrusion, a WLS922L-433 Glassbreak Detector is indispensable.

“Smart” enough to distinguish the sound of breaking glass from other common sounds found in homes and businesses, the detector features high-performance microphone using Dynamic Signal Processing and can determine all types of breaking framed glass (plate, float, tempered, wired and laminated). Moreover, the WLS922L-433 is provided with an installer-selectable Dip Switch with 2 different levels of detection that allow optimising false alarm immunity for certain acoustic environments. All these features make WLS922L-433 Glassbreak Detector a highly reliable and must-have security constituent for your home and business.


Weight 0.28 lbs
Dimensions 1.37 × 2.36 × 5.31 in




Production Status



  • Based on the Acuity Glassbreak Detector
  • Equipped with a RF transmitter, the WLS922L-433 establishes a supervised communication link with the system controller.
  • Using Dynamic Signal Processing*, the WLS922L-433 provides accurate detection of different glass types, while rejecting common false alarm sounds.
  • Tamper-activated test mode: should be tested using the AFT-100 Glassbreak Simulator.
  • The WLS922L-433 is provided with an installer-selectable Dip Switch for Level1/Level 2 detection to optimize false alarm immunity for certain acoustic environments.
  • 2 lithium batteries included

*Protected under US Patent 5,675,320


Wireless Glassbreak Detector; WLS922L-433
DSC – Data Sheet – 2018
Wireless Glassbreak Detector: WLS912L/WLS922L
DSC – Installation Instructions – 2017