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Sensor Type
Door / Window
Contact Closure / Relay
Normal State
Normally Closed
Ease of Installation
Intermediate (Installs < 60 minutes)
Other Ways to Shop
On Sale
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Alarm Your Doors and Windows Without Big, Unsightly Sensors!
SECO-LARM SM-204/BR Magnetic Contacts Self-Stick 1/4" - Brown
SECO-LARM Enforcer SM-204/BR Magnetic Contacts Self-Stick 1/4 Inch - Brown
SECO-LARM Enforcer SM-204/BR Magnetic Contacts Self-Stick 1/4 Inch - Brown
Item# 7352BR
Customers rated this product 5 Stars
2 customer ratings
Price: Normally $5.90 
Hot Deal $1.69
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  • Half the size of standard magnetic security contacts
  • Protect doors, windows, gun cabinets, jewelry boxes, and much more
  • Works with nearly all standard, hardwired alarm systems
  • Contacts are closed when magnet and sensor are together

Essential Info

Enhance your home security system using this magnetic contact security sensor to safeguard your home's doors and windows. The Surface Mount Miniature Contact Switch is half the size of standard magnetic contacts, making it perfect for discretely hiding behind window and door frames. In addition to windows and doors, this small contact is ideal for alarming safes, gun cabinets, jewelry boxes, china cabinets, or just about anything that opens and closes.


What's Included

  • 1x - Miniature Magnetic Security Contacts SM-204Q/BR
  • 1x - Self-Adhesive Tape

  • More Info

    Compatible with most standard, hardwired alarm systems. They stick on with supplied self-adhesive tape, or can be screwed down. Contacts are closed when magnet and sensor are together.



    Manufacturer Product No.SM-204/BR
    CompatibilityWorks with nearly all standard, hardwired alarm systems
    Dimensions1.25 inches x 0.25 inches

    1inch operational gap
    Case ConstructionWeatherproof high-impact ABS plastic with self-adhesive backing
    MagnetAlnico 5
    Rating0.1 Amp / 100VDC (max.); 1 Amp / 10VDC (max.)
    Temperature-15° F to 160° F (-25° C to 70° C)
    Leads15", 22-guage
    ApprovalUL listed

    Important notes:
    Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
    Manufacturer contact information: SECO-LARM USA Inc, Tel: (949) 261-2999


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