Smart Shield Systems
IQ Motion-S
Protect hallways, family rooms, and open areas with a compact encrypted PIR motion sensor. The IQ Motion-S adds dependable detection with S-Line encryption, 40-lb pet immunity, and long battery life—perfect for arming your perimeter while you sleep and your interior when you’re away.
Why Choose This with Smart Shield Systems
- Pro placement & tuning so you get coverage where intruders actually walk
- Clean, wireless install—no fishing wires through finished walls
- Thoughtful rules & scenes (e.g., turn on lights when motion is detected)
- Local experts from Smart Shield Systems for testing, training, and ongoing support
Key Features
- Encrypted S-Line radio (319.5 MHz) to your IQ Panel, with support for legacy 319.5 systems.
- Coverage up to 30 ft × 40 ft with an 80° horizontal field of view (single PIR).
- Pet-immune up to 40 lb when mounted at 7.5 ft and aimed correctly.
- Long wireless range: listed up to ~600 ft open air to the panel (verify on site).
- Supervised health checks, tamper reporting, low-battery alerts.
Product Specifications (At-a-Glance)
- Model / Part #: QS1231-840 (IQ Motion-S)
- Detection pattern: 30 ft × 40 ft, 80° max horizontal sensing angle
- Radio: 319.5 MHz S-Line; open-air range up to 600 ft; supervisory heartbeat about every 70 min
- Power: (2) AAA alkaline; ~5-year replace interval under typical use (panel supervises battery)
- Dimensions: 3.4″ H × 2.4″ W × 1.5″ D
- Environmental: -10 °C to 50 °C; 5–95% RH, non-condensing
Compatibility Notes
- Designed for IQ Panel family; S-Line encryption with IQ panels while still supporting legacy 319.5 MHz systems (unencrypted).
- For IQ Pro/IQ Panel 4 environments, QS1231-840 appears in current compatibility tables; we’ll confirm firmware during your quote.
Popular Use Cases
- Central hallway or family room to catch cross-traffic
- Basement rec room or bonus room with one main entry path
- Rules like “When motion after sunset, turn on entry lamp.”
Frequently Asked Questions
Mount at 7.5 ft high on a flat wall or corner, aimed across (not along) the typical walking path. Avoid pointing at windows, HVAC vents, heaters, or moving drapes; verify coverage with the built-in walk-test.
When mounted at 7.5 ft and aimed properly, it’s pet-immune up to 40 lb. Keep pets from climbing into the field of view (stairs, furniture) to maintain immunity.
It uses two AAA alkaline batteries. The guide recommends about 5 years between replacements under typical activity; your panel will alert for low battery.
Listed open-air range is ~600 ft, but building materials can reduce that. We verify signal strength during installation.
Most homes use motions primarily in Away arming; however, your IQ Panel can support custom arming profiles (e.g., Night) if you want interior motion active. We’ll configure it to match your routine. (Behavior depends on your panel settings.)
Additional Resources
Download ManualReady for Smarter Interior Protection?
Smart Shield Systems will place, enroll, and test your IQ Motion-S, fine-tune sensitivity, and set up the rules you want—so you get reliable alerts without nuisance trips.