SONOFF Zigbee Door/Window Sensor – SNZB-04P | Zigbee 3.0 Magnetic Contact Sensor, Tamper Alert, Instant Notifications, 5-Year Battery Life.
Overview:
• SONOFF SNZB-04P is a smart Zigbee door/window sensor designed to detect the open and close status of doors, windows, cabinets, drawers, and other access points.
• The sensor works by detecting the distance between the transmitter and the magnet, then sends open/close status to the connected Zigbee gateway.
• It supports instant app notifications when a door or window is opened or closed, helping improve home security and automation monitoring.
• The built-in tamper alert notifies the user if the sensor is removed or tampered with, providing extra protection for security applications.
• Powered by a CR2477 battery, SNZB-04P provides over 5 years battery life under SONOFF lab conditions, making it suitable for long-term smart home use.
Key Features:
• Zigbee 3.0 door/window sensor for smart home monitoring.
• Detects open and close status of doors, windows, cabinets, and drawers.
• Instant app notifications when the door or window status changes.
• Tamper alert for added security if the sensor is removed or opened.
• Supports smart scenes such as turning on lights when a door opens.
• Can trigger audible and visual alarms with compatible smart devices.
• Works with eWeLink App through a compatible Zigbee gateway.
• Supports integration with Home Assistant through ZHA or Zigbee2MQTT using a compatible dongle.
• Supports Apple Home integration through compatible Matter Bridge solutions.
• CR2477 battery with over 5 years battery life.
• Easy installation using adhesive mounting.
• Maximum recommended gap between sensor and magnet is under 20 mm when closed.
Technical Specifications:
• Brand: SONOFF.
• Model Name: SNZB-04P.
• Product Type: Zigbee Door / Window Sensor.
• Sensor Type: Magnetic contact sensor.
• Wireless Protocol: Zigbee 3.0.
• Detection Status: Open / Close.
• Battery Type: CR2477.
• Battery Life: Over 5 years.
• Functions: Door/window monitoring, instant notifications, tamper alert, smart scenes, alarm linkage.
• Smart App: eWeLink App through compatible Zigbee gateway.
• Gateway Requirement: Requires compatible Zigbee gateway.
• Matter / Apple Home Support: Through compatible Matter Bridge.
• Home Assistant Support: ZHA / Zigbee2MQTT through compatible Zigbee dongle.
• Installation Gap: Less than 20 mm between sensor and magnet when closed.
• Installation Type: Adhesive mounting.
• Application: Door, window, cabinet, drawer, access point, smart security, lighting automation.
Applications:
• Door and window security monitoring.
• Smart home access detection.
• Lighting automation when opening doors.
• Cabinet and drawer monitoring.
• Villa and apartment automation.
• Office and storage room monitoring.
• Alarm scene triggering with compatible sirens or panels.
• Home Assistant and Zigbee2MQTT projects.
• eWeLink Zigbee smart home systems.
Connect Gates Recommendation:
• Recommended for projects that need a reliable Zigbee door/window magnetic sensor with tamper alert, instant notifications, long battery life, and smart scene integration. It is ideal for doors, windows, cabinets, drawers, security scenes, and automatic lighting control.