DSC WS4945 Wireless Door/Window Contact White

Wireless Door/Window Contact White

Regardless of the application, the compactly designed WS4945 wireless door/window contact should be everyone's  first choice for tough to fit installations. The contact has become the new DSC standard for door/window contacts due to its streamlined profile (30% smaller than its predecessor the WLS925L-433/WLS935L) and new design that allows for double-sided tape mounting.


  • Replaces the WLS925L-433/WLS935L-433
  • Reliable 433 MHz technology
  • Small, compact design; 30% smaller than the WLS925L-433/WLS935L-433
  • One pre-installed lithium battery with activation pull tab (included)
  • 5/8” (16 mm) maximum magnet gap
  • Smooth-back plastics to apply doubled-sided tape (included)
  • Case and wall tamper (without using any mechanical springs)
  • PCB antenna
  • PCB mounted on the cover for easy installation
  • Built-in reed switch
  • Normally closed external contact input

Dependable & Versatile

The WS4945 is designed for dependable case- or wall-tamper detection. Depending on how the contact is purposed, it will send a signal to the alarm system if either its casing is opened or if it is forcibly removed from a wall. If the alarm system is armed when this occurs, an alarm will be activated and the central station will be notified of the violation (if programmed to do so). The WS4945 also features an external contact input that allows a standard hardwired door to be connected to it. This is useful for
installations where it is difficult to mount the magnet within the maximum allowable gap of the contact (5/8” (16 mm)


Significantly smaller than many door/window contacts, the WS4945 is housed within a compact casing that allows it to be used for the tightest-fitting installations. Once installed, the contact is inconspicuous and complements the décor of most homes. It is built with reliable 433 MHz technology, uses a long-life lithium battery and is compatible with all current DSC wireless receivers.


The WS4945 is compatible with the following receivers:

  1. PowerSeries™ Wireless Receivers RF5132-433/PC5132-433 all versions and RF5108-433
  2. MAXSYS Wireless Receiver PC4164-433
  3. PowerSeries RFK Keypads (RFK5500/RFK5501/RFK5516/RFK5508)
  4. Fixed-Message LCD Keypad with Integrated Wireless Receiver RF5501-433
  5. Envoy LCD Self-Contained Wireless Security System NT9005


Dimensions   2 9/10” x 1 1/2” x 14/16”  (75 mm x 31 mm x 22 mm)
Battery        CR2 (3 V Lithium)
Battery Life      5-8 Years (Typical)
Operating Temperature   0 to 49 °C (32-120 °F)
Operating Humidity     5-93% RH


  • Model: DSC WS4945
  • 105 Units in Stock
  • Manufactured by: DSC

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