SONOFF PIR2: 433MHz RF PIR Motion Sensor

Out of stock


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Detect human movement and any presence and send an alarm message to your phone. Keep an eye on your house. Works nicely with SONOFF 433 RF BridgeR2.

Note: SONOFF PIR2 has been discontinuted, the available replacement model is SONOFF PIR3-RF, same price but more powerful.

Out of stock

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PIR2 is a 433.92MHz RF PIR motion sensor that for human detection. The motion detector can work with the Sonoff RF BridgeR2 433, providing human detected alarm message push to your phone.

Key Features:

Infrared Signal: Detects any movement both day and night thanks to passive infrared technology

Message Alert: Your phone will receive an alarm message when it detects any movement within the field of vision

Distance Detecting: The adjustable sensitivity allows for a motion detection range up to 12m

Angle Monitoring: The wider 110° detecting angle allows for a wider field of view

Power Saving: Enter the power save mode, which provides you a longer working time up to 2 years

Additional information

Weight 94 g
Dimensions 137 × 61 × 43 mm
433.92MHz Transmit distance:

150m (open)


3V (2*AA)

Standby current:


Alarm current:


Wireless frequency:


Wireless Transmit Code:

1527Mhz (default)

Detection distance:

12m@ 25℃

Detection angle:

110 degrees

Maximum coverage area:


Alarm indicator light:

on for 3 seconds

Working environment:


Tamper switch

normally closed

Anti-white light intensity:


Battery type:

2*AA (Note: this model doesn’t come with battery)

Packing size


Customer Reviews

Based on 2 reviews
Louis C
Great on app not Alex Smart Device

Works as an app but will not register as a smart app on Alexa App. Shows as other types.

Vitae Aliquam
Motion sensor, works as stated at 100%!

I use this inside my mailbox. I placed it in the back of the mailbox. Now I know when mail is delivered.

SONOFF PIR2: 433MHz RF PIR Motion Sensor
Out of stock