Sonoff - ZigBee door and window opening sensor

Reference SNZB-04P

Condition: New

Securely control openings with the Sonoff SNZB-04P , a Zigbee 3.0 sensor for doors and windows with tamper alert. It sends instant notifications, allows for local scenes without internet access, and offers up to 5 years of battery life . Compatible with eWeLink, Home Assistant, Alexa, and Google.

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Technical characteristics

Home Automation Technology	Zigbee

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Sonoff SNZB-04P smart opening sensor

The Sonoff SNZB-04P is a Zigbee 3.0 sensor for doors and windows, designed to accurately detect openings and closings, and includes an anti-tamper alert function for added surveillance.

Key Features

Magnetic detection: recognizes opening/closing with a distance of 20 mm between sensor and magnet.
Tamper alarm: records removal attempts and sends a tamper alert.
Local scenes: internal automations activate even without an internet connection.
Long lifespan: CR2477 battery with up to 5 years of autonomy.
Reliable design: PC casing, suitable for use between 10°C and +60°C and humidity 5-95% (non-condensing).
Broad compatibility: Integrates with Zigbee gateways (NSPanel, ZBBridge, iHost, etc.) and platforms such as Home Assistant, Alexa, Google Home or SmartThings.

" Technical Specifications

Protocol:	Zigbee 3.0
Installation distance:	d 20 mm
Feeding:	1× CR2477 (3 V)
Operating temperature:	10 °C to +60 °C
Operating humidity:	5 95% RH (non-condensing)
Material:	PC
Dimensions:	Transmitter: 50.5 × 32 × 21.9 mm · Magnet: 27 × 12 × 12.4 mm

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Ideal for front doors, windows, drawers, cabinets, or any vulnerable point. Perfect for integrators and professionals looking for a compact, secure, and efficient sensor for home automation systems.

Install it today and take another step towards a secure smart home with Sonoff SNZB-04P.