Sonoff 4CHR3

Smart 4-channel switch for electrical devices; with two-way control, supports remote control via Wi-Fi 2.4GHz; for various household appliances.  Features:  Remote control with a smart device using eWeLink mobile app (Android, IOS), IFTTT. Voice Control is compatible with Amazon Alexa and Google Assistant. The relay signal is transmitted via the Wi-Fi network 2.4GHz. 5G network is not supported. The device allows to configure LAN management without a cloud server, like Home Assistant, openHAB, ioBroker, etc. This smart switch allows you to create different scenarios (you can program devices or groups of devices to switch on/off at specific schedule), set a timer for the operation of certain devices or countdown, synchronise and share control. This new version allows you to set the self-locking, blocking and pulse activation modes in the eWeLink app instead of on the switch itself, making it much easier to configure the required settings. Can be mounted on DIN rail. This switch can be combined with a variety of other products to complement smart home scenarios.  Specifications:  Voltage: AC 100~240V, DC 9~23V. Current max: 10A (1 channel), 40A (4 channels). Power: 2200W (1 channel), 8800W (4 channels). Frequency: 50-60Hz. Wi-Fi frequency: 2.4 GHz. Wi-Fi standard: IEEE802.11b/g/n. Number of channels: 4. Works with Amazon Alexa & Google Assistant. Security: WPA/WPA2. App: eWeLink (Android, iOS). Dimensions: 145x90x34mm. Housing material: PC V0 (non-combustible). Operating temperature: -10°C~40°C. Humidity: 5%-95%. Weight: 374 g. Colour: white. Certification: CE/ FCC/ RoHS.  Warranty: 24 months.