Matter compatible: The SONOFF MINIR4M Smart Switch is a Matter certified device that works with other brands of Matter devices and can be integrated into Matter enabled platforms such as Alexa, Apple Home, Google Home, etc. Controlling all smart devices from a single app is no longer a dream. (For more information on Matter compatible hubs, visit the official websites of the relevant third-party platforms.) Mini size: the mini size of the MINIR4M fits various mounting boxes, including the smallest 86/EU types. The MINIR4M can be easily connected to a momentary switch contact, door output switch, SPDT switch and latching switch. Safe and reliable: the MINIR4M is equipped with the certifications TÜV, CE and FCC, which ensures increased safety and reliability for your use. Your trusted choice for smart home: SONOFF is fully aimed at meeting home automation for a simple and intelligent life. Our pursuit of excellence is underlined by more than a decade of experience in the field of smart homes. 【OTA before installation】For optimal performance, connect the MINIR4M to the eWeLink app and perform an OTA firmware update to the latest version immediately after purchase. This step ensures compatibility with smart home systems and addresses known performance issues.