SONOFF Zigbee M5 C1 Smart Touch Wall Switch

【Universal Wiring Compatibility】Supports both Neutral-Required  Wire  Mode and No Neutral-Required Wire Mode.
【Zigbee 3.0 Connectivity】ZBM5 is fully compatible with Sonoff Zigbee gateways and can be seamlessly integrated with Home Assistant via ZBDongle, delivering localized low-latency control for a stable and reliable whole-home smart network.
【Detach Relay Mode】With this function enabled, you can still remotely control your smart devices through "Smart Scenes" even when the physical switch is turned off. And if the device goes offline, the physical switch instantly resumes full control. 
【Zigbee Router】When the ZBM5 is in the Neutral-Required  Wire Mode, it also acts as a Zigbee router, strengthening your Zigbee mesh network by enhancing signal coverage and improving device communication. Enjoy reliable connectivity across your smart home.
【Timer & Schedule】Set up custom schedules and countdown timers to automate your appliances based on your lifestyle.