No Neutral Wire Needed: Does not require a neutral wire and can be easily installed without rewiring your existing wiring. Simply replace your old switches to work with our Smart Touch Switches. Our single live wire design without a neutral wire is really an irreplaceable solution for many traditional homes that couldnt use Smart Switches earlier due to Neutral Wire which was mandatory but not any more with our new design Smart Touch Switches TOUCH CONTROL & LED BACKLIGHT: Tempered glass touch screen design, 40ms high-speed touch-sensitive response. Strong/weak blue indicator shows the on/off clearly, easy to find in darkness, but zero-impact on sleep. Low power consumption and long service life. Voice Control: Works with Alexa and Google Home for easy voice control. Automations - Control your switches, set timers create scenes and routines to automate your lights according to your schedule SAFETY PROTECTION: Fire-retardant material and Aluminum shell for heat dissipation. 4mm thick te