SONOFF Zigbee Door/Window Sensor | SNZB-04P
Automatically turns on lights when a door or window is opened. Triggers audible and visual alarms for unauthorized entries and sends instant app notifications to keep you informed.
SONOFF is a smart home automation manufacturer specializing in R&D, design, production, and marketing of connected devices. 
Its products integrate hardware and software and commonly use Wi-Fi and Zigbee (and other mainstream communication protocols) depending on use scenarios.
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Automatically turns on lights when a door or window is opened. Triggers audible and visual alarms for unauthorized entries and sends instant app notifications to keep you informed.

SNZB-06P utilizes 5.8GHz microwave radar to detect both moving and stationary individuals. It automatically turns on lights when you approach and keeps them on until you leave. A built-in light sensor ensures lights only activate when presence is detected in low-light conditions, helping you save energy. Compatible with Zigbee 3.0 hubs such as SONOFF NSPanel Pro, SONOFF iHost, ZB Bridge Pro, ZBDongle-E, and Echo Plus 2nd Gen.

SONOFF SNZB-03P is a Zigbee 3.0 motion sensor that detects movement in under 5 seconds, automatically turning lights on when you enter and off when you leave to save energy. Powered by a long-lasting CR2477 battery for over 3 years, it works with NSPanel Pro, iHost, ZB Bridge Pro, ZBDongle-E, Echo Plus, and other Zigbee 3.0 hubs. Local smart scenes continue even if Wi-Fi is down, and you can use it to trigger cameras, alarms, and push notifications upon unauthorized entry.

Compatible with Alexa with a built-in Zigbee hub and also works with the SmartThings hub, Philips Hue smart hub, and SONOFF ZBBridge Pro, extending your smart home ecosystem. More durable with a 15A maximum current 1800W load.

MINI-ZBRBS acts as a Zigbee router device, which helps extend your Zigbee network. Enjoy a stronger signal and improved reliability across your entire smart home.

Built with a Swiss-made hygrometer sensor, offering ±0.2°C / ±0.4°F temperature accuracy and ±2% RH humidity accuracy. Data refreshes every 5 seconds, giving you near real-time environmental updates. Works seamlessly with Zigbee 3.0 hubs such as SONOFF iHost, NSPanel Pro, ZB Bridge Pro, and ZBDongle-E. Also compatible with third-party Zigbee 3.0 hubs like Echo 4th Gen and SmartThings Hub V3.