SONOFF SNZB-04P Zigbee Door/Window Sensor – 5yr Battery, Tamper Alert

Upgrade your smart home security with the SONOFF SNZB-04P Zigbee door/window sensor. Works with any Zigbee 3.0 hub (EWeLink, Alexa, Google Home).

• 5‑year battery life (CR2477)
• Tamper‑proof design sends instant alerts
• Local smart scenes run even if the internet drops
• Easy integration with Zigbee hubs and voice assistants

Ideal for automating lights, alarms, and notifications whenever a door or window opens or is tampered with.