---
product_id: 294616774
title: "IQ Motion-S QS1231-840"
brand: "qolsys"
price: "€ 123.73"
currency: EUR
in_stock: true
category: "Qolsys"
url: https://www.desertcart.gr/products/294616774-iq-motion-s-qs1231-840
store_origin: GR
region: Greece
---

# Pet immune up to 40 lbs 30 ft sensor range Encrypted S-Line tech IQ Motion-S QS1231-840

**Brand:** qolsys
**Price:** € 123.73
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay one step ahead with encrypted, pet-friendly motion sensing!

## Quick Answers

- **What is this?** IQ Motion-S QS1231-840 by qolsys
- **How much does it cost?** € 123.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/294616774-iq-motion-s-qs1231-840)

## Best For

- qolsys enthusiasts

## Why This Product

- Trusted qolsys brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Wide-Angle Detection:** Covers up to 30 feet with an 80° horizontal sensing angle—perfect for large open spaces and smart automation triggers.
- • **Smart Automation Ready:** Easily integrates with your IQ Panel to create custom rules like turning on lights or triggering alarms the moment motion is detected.
- • **Pet-Friendly Protection:** Smartly designed to ignore pets up to 40 lbs, so your furry friends stay safe without false alarms.
- • **Next-Level Signal Security:** Encrypted S-Line technology ensures your alerts are hacker-proof and seamlessly compatible with legacy 319.5 systems.
- • **Compact & Versatile Mounting:** Sleek design fits flat surfaces or corners, blending effortlessly into your modern home or office environment.

## Overview

The Qolsys IQ Motion-S QS1231-840 is a compact, encrypted PIR motion sensor offering up to 30 feet of coverage with an 80° detection angle. It supports legacy 319.5 MHz systems while providing advanced S-Line encryption for secure signal transmission. Pet immune up to 40 lbs, it enables smart automation rules and mounts easily on flat or corner surfaces, making it an ideal choice for modern, secure, and pet-friendly environments.

## Description

The 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 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. SPECIFICATIONS - 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 91.1dBuV +/- 5% at 3m - Sensor Range 30 ft (9.1 m) x 40 ft (12.2 m) - Maximum Horizontal Sensing Angle 80° - Operating Temperature: -10˚C~50˚C - Relative Humidity: 5-95% - Non-Condensing Storage Temperature: -40˚C to 80˚C

## Features

- Encrypted S-Line sensor technology protects signals sent to the IQ Panel while still providing support for legacy 319.5 systems
- Provides security coverage up to 30’ in a large open area
- Use to create rules such as “When someone enters the room, turn on light” or “Trigger alarm when intruder detected”
- Pet immune up to 40 lbs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B085PYMPQX |
| Best Sellers Rank | #133,338 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #244 in Motion Detectors |
| Item model number | QS1231-840 |
| Manufacturer | Qolsys |
| Product Dimensions | 8.89 x 6.35 x 6.35 cm; 32 g |

## Product Details

- **Brand:** Qolsys
- **Colour:** white
- **Item weight:** 0.03 Kilograms
- **Maximum range:** 40 Feet
- **Power source:** Battery Powered

## Images

![IQ Motion-S QS1231-840 - Image 1](https://m.media-amazon.com/images/I/41YISXi-5rL.jpg)

## Frequently Bought Together

- Qolsys IQ Motion-S QS1231-840
- QOLSYS IQ DW MINI S-LINE Encrypted Door/Window Sensor QS1135-840
- Qolsys DW Mini-S (2-Pack) Wireless Contact Sensor for Windows & Doors - S-Line Encrypted 319.5 MHz - Window Alarm Sensor for Smart Home - Create Personalized Notifications & Rules

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**Shop now:** [https://www.desertcart.gr/products/294616774-iq-motion-s-qs1231-840](https://www.desertcart.gr/products/294616774-iq-motion-s-qs1231-840)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-14*