Sonoff SNZB-03P Zigbee Motion Sensor – Enhanced Detection with Adjustable Delay
Sonoff SNZB-03P Zigbee Motion Sensor – Enhanced Detection with Adjustable Delay
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Sonoff SNZB-03P Zigbee Motion Sensor – Enhanced Detection with Adjustable Delay
The SONOFF SNZB-03P is a battery-powered Zigbee 3.0 PIR motion sensor. It detects movement up to 6 m away across a 110° angle and sends the event through your Zigbee hub, so lights can switch on when you walk in and off after you leave.
It runs on one CR2477 coin-cell battery, which SONOFF rates at over 3 years of use.
Fast detection, adjustable duration: With a SONOFF hub you can set how long the sensor waits before reporting that the area is clear, down to 5 seconds. A short time turns lights off soon after you leave, which helps save energy.
Built-in light sensing: The sensor also checks whether the room is dim or bright. You can use this in scenes, for example to turn on a night light only when motion is detected in the dark (requires SONOFF ZBBridge-P, NSPanel Pro or iHost).
Long battery life: The CR2477 battery is rated for more than 3 years in SONOFF's lab test (25°C, 50 triggers a day). Real battery life depends on how often the sensor is triggered.
Home security: When motion is detected the sensor can trigger a camera to record, a siren on the gateway, or an instant app notification, so you know when someone enters while you are away.
Local scenes: Scenes between Zigbee devices keep working locally even if your Wi-Fi goes down, as long as the devices stay powered.
Flexible mounting: The sensor sits on a magnetic base that can be placed on a surface, stuck to a wall with 3M adhesive, or fixed with screws, and the head can be turned to aim the detection area.
Who it's for / Works with
Zigbee 3.0 hubs such as SONOFF NSPanel Pro, SONOFF iHost, ZBBridge-P, ZBDongle-E and Echo Plus 2nd Gen. Through the eWeLink app it can be used with Alexa and Google Home, and it can be added to Home Assistant via ZHA or Zigbee2MQTT with a Zigbee dongle.
Good to know
The SNZB-03P needs a Zigbee hub; it does not connect to Wi-Fi by itself.
It is a PIR motion sensor for indoor use: it detects movement, not a person sitting still.
Custom detection duration and light sensing need a supported SONOFF hub (ZBBridge-P, NSPanel Pro or iHost).
Technical Specifications
| Model | SNZB-03P |
| Sensor type | PIR (passive infrared) |
| Detection range | Up to 6 m, 110° |
| Wireless | Zigbee 3.0 (IEEE 802.15.4) |
| Battery | CR2477 (3V) |
| Working temperature | -10°C to 60°C |
| Working humidity | 5% to 95% RH, non-condensing |
| Casing material | PC |
| Dimensions | 44 x 44 x 65 mm |
| Net weight | 54 g |
| Use | Indoor |
📄 User manual: Download the official SONOFF SNZB-03P user manual (PDF)
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