Smart 1-channel switch for electrical devices; supports remote control via Wi-Fi 24GHz; for various household appliances, Matter compatibleSONOFF smart home system allows you to control your electrical appliances remotely with the EWeLink app or by voice with Amazon Alexa or Google Home It allows you to create different scenarios, group appliances by switching on/off multiple devices with a single touch, set timers and schedules, monitor the status of your devices in real time, and share their control Link your eWeLink with IFTTT application and extend your scene capabilities Thanks to configurable local LAN support Sonoff smart home system can work without a cloud server Features: Remote control with a smart device using eWeLink mobile app (Android, IOS) or pairing with Matter and using Matter-compatible appsIt is a Matter-certified device that ensures seamless compatibility with various devices and platforms such as Alexa, Apple Home and Google HomeThe relay signal is transmitted via the Wi-Fi network 24GHz 5G network is not supported LAN mode is supportedR4 version improves design quality, has ESP32 processor with BT supportThe MINI R4 version switch is also called Sonoff Mini Extreme because it supports external switch control Easily connect to momentary switch, door exit switch, SPDT switch, latching switch, and even dry contact sensorsConnect pair of 2-way switches to turn on/off the downstairs light from upstairsWhen combined with the Sonoff S-MATE switch, the MINIR4 can be locally controlled via the eWeLink-Remote signal up to 50m away and activate other smart devices in the smart scene Sonoff S-MATE is purchased separatelyA new function of the MINI R4 is the «detach relay» mode, ie the states of the external switches and the relay are separated, so operating the external switch button will not affect the relay state You can still use an external switch to activate a smart scene device or group of devicesLike other eWeLink relay modules, it supports on/off, power on/off/memory (last state), smart scenes (auto) and auto on/off functionsAllows you to set a delay in turning on devices after a power failure in order to protect the network from overloadSmall and compact switch, 40% smaller than MINIR2 and even 60% smaller than MINIR3 Thanks to its extremely small size (only 33 x 40 mm), it fits even in the smallest EU type/type 86/type 120 junction boxesMade of PC fire-retardant plastic, class V0This switch can be combined with a variety of other products to complement smart home scenariosSpecifications: Compatible with: Sonoff S-MATE, Sonoff R5Voltage: AC 100-240VCurrent max: 10AFrequency: 50/60HzWi-Fi frequency: 24 GHzWi-Fi standard: IEEE80211b/g/nNumber of channels: 1App: eWeLink (Android, iOS)Distance «eWeLink Remote»: up to 50 m (in open space)Works with Matter, Amazon Alexa, Google Assistant, Google Home, Apple Home, SmarthingsBody material: PC V0 (flame-retardant)Operating temperature: -10°C~40°CHumidity: 5%-95% (non-condensing)Dimensions: 395 x 33 x 168 mmColor: whiteCertification: CE/ FCC/ RoHS / TUVWarranty: 24 months