SONOFF SwitchMan Smart Wall Switch-M5-86 （The product needs a neutral line.） Description: SONOFF SwitchMan M5 is a mechanical smart switch that is available in 1/2/3 channel, supporting local button, App and voice control. Through the eWeLink APP, you can manage devices at any time, don't worry about forgetting to turn off the electrical appliances when you go out. Want to quickly find the switch button by the LED indicator? Or prefer to sleep well without the disturbance of lights? The LED indicator on the button can be adjusted to various brightness to meet your need. .