Sonoff PIR3‑RF 433 MHz Wireless RF Motion Sensor

The Sonoff PIR3‑RF is a compact wireless motion sensor that detects movement indoors and triggers smart home automations. It works with the Sonoff RF Bridge (sold separately) and the eWeLink app to send alerts and activate devices when motion is detected.

Features

• 433 MHz RF communication: Connects with the Sonoff RF Bridge for smart control and notifications
• Motion detection: Detects movement up to 8 m with a 100° field of view
• Dual trigger modes: Alert and normal modes for different applications
• Compact and lightweight: Small form factor for discreet placement
• Easy installation: Mount with included adhesive or optional joint mount
• Battery-powered: Uses 1 × CR2450 3 V button cell (not included) for long standby

Benefits

• Instant motion alerts for home automation or security
• Integrates with Sonoff smart devices via RF Bridge
• Low maintenance and long battery life
• Compact design fits in hallways, rooms, or common areas
• Customizable behavior with two trigger modes

Specifications

• Product type: RF PIR motion sensor
• Model: PIR3‑RF
• Wireless frequency: 433 MHz RF (requires Sonoff RF Bridge)
• Detection distance: ≤ 8 m
• Detection angle: 100°
• Power supply: 1 × CR2450 3 V button cell (not included)
• Operating temperature: −10 °C to +40 °C
• Operating humidity: 10 %–90 % RH (non-condensing)
• Dimensions: 40 × 35 × 28 mm
• Weight: ~15 g
• EAN: 6920075775372
• Manufacturer: Sonoff (ITEAD Smart Home)

Ideal For

• Indoor motion detection and smart home automation
• Triggering lights, cameras, or alarms via RF Bridge
• Home or apartment security monitoring
• Expansion of Sonoff RF smart ecosystems

Keywords

Sonoff PIR3‑RF, RF motion sensor, 433 MHz PIR detector, wireless motion sensor, Sonoff smart home, RF Bridge accessory