Sonoff PIR3-RF – 433MHz Motion Sensor for Smart Home Automation

The Sonoff PIR3-RF is a compact and powerful 433MHz passive infrared motion sensor designed to detect movement and trigger smart home automations. When paired with the Sonoff RF BridgeR2, this sensor becomes part of your Wi-Fi ecosystem, enabling real-time alerts, smart scenes, and security functions via the eWeLink app.

Its adjustable detection range, ultra-low power consumption, and easy installation make it perfect for home security, energy-saving automation, or room-based presence detection. With the included 360° rotatable bracket, you can mount the sensor on walls, ceilings, or corners for maximum coverage.

📦 What’s in the Box:

1x Sonoff PIR3-RF Motion Sensor

1x 360° Magnetic Swivel Bracket (optional model)

Mounting Screws or Adhesive

User Manual

📐 Key Specifications:

Model: Sonoff PIR3-RF

Technology: 433MHz RF (requires RF BridgeR2 for Wi-Fi integration)

Power Supply: 3V CR2450 battery (included)

Detection Range: Up to 8 meters

Detection Angle: 100° horizontal

Working Temperature: -10°C to 40°C

Installation: Wall, ceiling, or flat surface (with magnetic mount)

App: Works with eWeLink (via RF BridgeR2)

Smart Features: Triggers scenes, sends alerts, activates other Sonoff devices

📌 Most Common Uses:

Trigger lights when someone enters a room

Activate alarms or sirens when motion is detected

Enhance security for entrances, hallways, and garages

Automate energy-saving scenes based on presence

Monitor motion remotely through the eWeLink app