SONOFF SNZB-04 ZigBee Wireless Door Window Alarm Sensor
SONOFF SNZB-01 Zigbee Wireless Switch 2-Pack, Supports To Create Smart Scenes, Trigger The Connected Devices on Ewelink APP With Three Control Options,SONOFF ZigBee Bridge Required.: Amazon.com: Tools & Home Improvement
Sonoff T433 Button Wireless Radio Touch Battery for Devices Sonoff RF | eBay
SONOFF SNZB 01 Zigbee Wireless Switch Smart Home Switch Low Battery Notification on e WeLink App Work With SONOFF ZBBridge IFTTT|Home Automation Modules| - AliExpress
Custom Firmware for Sonoff SNZB-02 Zigbee Temperature and Humidity Sensor | Blakadder's Smarthome Shenanigans
SONOFF D1 Smart Home WIFI Dimmer Switch Mini Module LED Light Adjustm – Homesmartcamera