1.【Note】: The 2 way touch switch can only work with brand 2 way switches.No regular power, no WIFI function, not compatible with Alexa.You do not need the neutral wire. When installing, please distinguish the front and back of the iron plate. Make sure the power is turned off before installing the panel.2.【2 Way touch switch】: Compatible bulb (Min 5W-Max 800W): Incandescent bulbs, fluorescent bulbs, ordinary LED bulbs, energy saving bulbs.3.【Wiring Instructions】: 1 Gang connect terminal L 1, 2 Gang connect terminal L 2, 3 Gang connect terminal L 3. Located at positions L1, L2 and L3 refers to the bulb control.2 Way can control a light in two different locations in your home.It is often used at the top and bottom of stairs, bedroom door and head of bed, etc.4.【High Safety】: High quality tempered glass panel not only provides excellent scratch resistance and touch sensitivity, but also fire resistance and water resistance, which escorts the safety of you and yourfamily.5.【Humanized design】: It remains closed automatically after a power failure.There will be a faint blue light when the switch is turned off, so you can find the switch even in the dark.