SMATRUL Wifi Smart Wall Switch Rf433mhz (No Neutral) Compatible With Home & Alexa 110v-250v

This switch does not require a neutral line. If you need a neutral line switch, you can contact customer service. The store also sells it. Two wiring methods. 1. Neutral wire and hot wire. 2. A single live wire the capacitor must be connected to the L and N of the L1 lamp tube, not behind the switch). Bulb note: 1gang does not support fluorescent lamps and energy-saving lamps, 2/3/4gang, energy-saving lamps and fluorescent lamps can not be connected to L1,1gang only supports: LED, tungsten lamp. feature. WIFI+433: It can be used with remote control or wireless switch to achieve the effect of controlling one light in multiple places. No need for neutral line: simpler installation, suitable for more families. But you need to install a capacitor at the bulb of L1. Weak backlight design: We optimized the brightness of the backlight, soft backlight, not glare, and will not affect the rest of the family at night. Application remote control: As long as your smartphone or tablet has a 4G or WI