Model:MINIR4M Wi-Fi:IEEE 802.11blg/n 2.4GHz Dimension:39.5x33×16.8 mm Casing material:PCVo lnput:100-240V ~ 50/60Hz 10A Max Output:100-240V~ 50/60Hz 10A Max   Specifications: MINIR4M is SONOFF's first Matter device, it can recognize and work with other brands of Matter end devices, and integrate into Matter-enabled platforms, such as Apple Home, Google Home, Alexa, etc. Controlling all smart devices through one app is no longer a fantasy. Matter-certified devices support local communication in the home network, even if the network is disconnected, MINIR4M still works normally, with faster responsiveness and better reliability. Adding MINIR4M to Matter-compatible Apps is easy. Simply scan the provided Matter QR code with your Matter-Compatible App and MINIR4M is easily configured by following the steps of the App. MINIR4M is equipped with an ESP32 chip, its tiny size fits in various mounting boxes, including 86/EU type, 120 type mounting box. MINIR4M supports external switch control and easily connects to the momentary switch, door exit switch, SPDT switch, latching switch, and even dry contact sensors.   MINIR4M has "detach relay" mode, which means the states of external switches and relay are separated, so operating the external switch button won't affect the relay state. Such as, if you open detach relay" mode, when you turn off the light, your smart light won't be offline, and you still can use the App to control smart lights. 【Matter Compatible】SONOFF MINIR4M is a Matter-certified device, it can work with other brands of Matter end devices and integrate into Matter-enabled platforms, such as Alexa, Apple Home, Google Home, etc. Controlling all smart devices through one app is no longer a fantasy. 【Mini Size】MINIR4M’s mini size fits in various mounting boxes, including the smallest 86/EU type. 【External Switch Control】MINIR4M can easily connect to the momentary switch, door exit switch, SPDT switch, latching switch, and even dry contact sensors. 【Detach Relay Mode】MINIR4M has “detach relay” mode, which means the states of external switches and relay are separated, so operating the external switch button won’t affect the relay state. 【Safe & Reliable】MINIR4M has obtained TÜV, CE, and FCC certifications, ensuring enhanced safety and reliability for your use. Package Included: 1* Smart Switch 1*instructions