Meross MSS550 Smart Dual-Channel Light Switch (HomeKit). With the smart physical dual-channel switch from Meross, you can conveniently control the lighting in your home. Control the lights remotely with the app, create schedules, set timers, and utilize the smart scene feature. It can handle up to two independent light sources. The device is compatible with Apple HomeKit, Amazon Alexa, SmartThings, and Google Assistant, allowing you to operate it via voice commands as well. For installation, a neutral (blue) wire and a mounting box are required. Convenient remote control: The device works not only with the Meross app but also with Amazon Alexa, Google Assistant, SmartThings, and Apple HomeKit. This allows you to freely control the lighting from anywhere – just reach for your phone.