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DESCRIPTION of Wireless Door / Window Contact Sensor
- Wireless Door / Window Magnetic Contact Sensor
- Attach to Window or Door With Adhesive Stickers or Screws
- Batteries Not Included (Takes 1x AAA (AM-4) Battery)
- Compatible With DENVER HSA-120 & SHA-150 Alarm Systems
- Also Compatible With Many Other 433MHz Alarm Systems
USES of Wireless Door / Window Contact Sensor
- Use to monitor unexpected opening of doors and windows in your home or office
ADVANTAGES of Wireless Door / Window Contact Sensor
- Wireless contact sensor, so no new wires needed
- Easy to set up and pair with existing home alarm system
- Door and windows contact sensors are the backbone of protecting exterior entry points
DISADVANTAGES of Wireless Door / Window Contact Sensor
- Unlike a wired version, you'll have to change the batteries periodically
- To save money on this, why not invest in rechargeable batteries
- It is a little more expensive than a wired window / door contact sensor
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