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QS1135-840 - Qolsys IQ Wireless S-Line Mini Door/Window Alarm Contact (in White Color)

QS1135-840 - Qolsys IQ Wireless S-Line Mini Door/Window Alarm Contact (in White Color)
QS1135-840 - Qolsys IQ Wireless S-Line Mini Door/Window Alarm Contact (in White Color)
Item# QS1135-840

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List Price: $26.48
Your Price: $17.65
Availability: In Stock
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Qolsys QS1135-840 Mini Contact Description:


The Qolsys QS1135-840 IQ Mini-S is an white-color, ultra compact encrypted sensor that securely connects to a S-Line compatible Qolsys IQ control panel. Using our proprietary S-Line encryption technology, encrypts signals sent to the IQ panel while still providing backwards compatibility for legacy 319.5 systems. Easy to install on anything that opens or closes, the IQ Mini-S can provide intelligent notifications like "door left open" can be custom named, and can even support Smart home rules like "when door opens, turn on light" or "when door left open adjust thermostat to save energy." Boasting up to eight years of battery life, the IQ Mini-S uses an innovative board and antenna design to extend range and allow mounting on a variety of surfaces. The IQ Mini-S also includes a rare earth magnet for flexible mounting options in a variety of situations.

Product Features:

  • Encrypted S-Line sensor technology protects signals sent to the compatible panel (while still providing support for legacy 319.5 systems)
  • Can be easily mounted on doors or windows with included adhesive
  • Aesthetically pleasing white-color
  • Alerts IQ Panel if moved more than 1"
  • Can be programmed as "Safety Sensor" for medicine cabinets, chemical storage, safes or storage closets
  • Using Alarm.com you can get a text if your door or window is left open
  • Create automation rules like "turn on light when door is opened" or "adjust thermostat if window left open"
  • Requires two (2) 3V CR2032 Batteries
  • The built-in tamper switch triggers an alert if the cover is removed
  • Create custom names for each sensor, determine unique chime type, choose voice prompts on or off

Qolsys QS1135-840 Product Specifications:


  • Sensor: 2.25"H x 1"W x .5"D
  • Wireless signal range: 600ft (200M), open air.
  • Code outputs: tamper, tamper restore, alarm, alarm restore, low battery.
  • Transmitter frequency: SECURE 319.5 MHz (S-Line)
  • Unique code ID
  • Supervisory keep-alive interval: 70 minutes
  • RF Peak field strength: typical 36000 uV/m at 3m
  • Operating Temperature: -10°C - 50°C
  • Relative Humidity: 5-95%
  • Non-Condensing Storage Temperature: -40°C - 80°C
  • Average Battery Life: 5 years with 3V Lithium (x2)
  • Battery Replacement: Panasonic CR2032, Energizer CR2032, Duracell DL2032

Qolsys QS1135-840 Product Compatibility:


  • Qolsys IQ Panel 2 (Model Numbers: QS9201-1200-840, QS9202-1200-840)
  • Qolsys IQ Panel 2+ (Model Numbers: QS9201-1208-840, QS9202-1208-840)
  • Qolsys IQ Panel 4 (Model Numbers: IQP4001, IQP4004, IQP4007)
  • Qolsys IQ Hub (Model Numbers: QS9301-1200-840, QS9302-1200-840, QS9307-1200-124)
  • Qolsys IQ4 Hub (Model Number: IQPH051)

Product Reviews

Other customers rated this item:
5 out of 5 stars
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  Large Sensor Order - Right on time and high quality,
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Excellent experience with my large order of security system sensors. All items received and worked beautifully with my system. Will certainly order again when I need additional items.

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