[Ultra Mini Size DIY Light Switch Module] - Ultra mini size body 39 x 39 x 19mm, compatible with 95% of installation boxes on the market. [ Timer, calendar and count function Countdown] - You can create a schedule based on personal needs, as well as time and count backwards. countdown, intelligently and DIY your daily life to the fullest. [APP Remote Control] -Download smart life/Tuya smart APP on your and your tablet to control the light switch anywhere, anytime. [Hands-on voice control] -Compatible with Amazon, Google Home, a simple command to voice control the light switch. [Easy to use [install] - Mini size switch module can be installed easily in the switch installation box or on the lamp. (Note: Please turn off the electricity during installation). [Two-way control] -Can fully adjust level the bi-directional control switch change the wiring. [3 types of switches for option] - Double switch toggle to change state/synchronous state and toggle switch auto reset.