Security & SafetyMotion Sensor

Motion Sensor

Qolsys IQ Wireless S-Line Motion Detector (with Pet Immunity)

Price: $39.99

Product Specification & Detail

Qolsys QS1231-840 Product Description:


The Qolsys QS1231-840 IQ Motion-S is an encrypted PIR that is as powerful as it is affordable. Leveraging our proprietary S-Line Technology it encrypts signals sent to the IQ panel 2 while still providing support for legacy 319.5 systems. Pet immune up to 40 pounds, the IQ Motion-S is designed to mount on a flat surface or in a corner, and at a variety of angles.

Product Features:

  • Encrypted S-Line sensor technology protects signals sent to the IQ Panel 2 while still providing support for legacy 319.5 systems
  • Provides security coverage up to 35' in a large open area
  • Easy mounting options in wall corners or on shelf
  • Pet immune up to 40 lbs.
  • Use to create automation rules such as; "When someone enters the room, turn on light" or "Trigger siren when intruder detected"

Qolsys QS1231-840 Product Specifications:


  • Sensor: 2.25"D x 0.75"H
  • Wireless sensor range: 30 ft (9.1 m) x 50 ft (15.2 m)
  • Code outputs: paring, tamper, tamper restore, alarm detect motion, alarm restore, supervisory, low battery
  • Transmitter frequency: 319.5MHZ ± 15KHz
  • Transmitter bandwidth 24KHZ
  • Modulation type: ASK-OOK
  • RF output power: 91.1dBµV ± 5% at 3m
  • Maximum Horizontal Sensing Angle: 80°
  • Battery Replacement: 3V CR2 (x1)
  • Replace Battery: with exact replacement every 3 years with AAA Alkaline (x2)