Search query: smart switch without neutral wire

Product: 3 Way Smart Dimmer Switch 2 Pack Treatlife Single Pole Smart Switch Compatible with Alexa, Google Assistant, WiFi Light Switch Remote Control, Neutral Wire Needed, Schedule, No Hub Required [Easy Install & Safe-support]: Step-by-step instructions will guide you through the wiring process in a short time. Note: This switch must be connected to line wire of one end, and the other end can only be connected to a traditional switch. Neutral wire is required, standard wall plate size. Treatlife 3 way dimmer switch works with 2. 4G WiFi only( NOT 5G). The smart switch is for dimmable bulbs. FCC certified. Flame-retardant material and built-in overheat protection for safety.
[1%-100% Dimming & Voice Control]: This smart dimmer switch can adjust brightness level from 1%-100% with Alexa and Google Assistant voice assistants, it can easily control dimmable light by sending voice commands like“Alexa, dim the living room light to 30%.” Brightness memory function is available for the wifi light switch to remember the last light setting when powered off.
[3-Way & Single Pole Application]: Treatlife 3 way smart switch can be used as a 3-way or single-pole switch. Just replace one traditional 3-way switch to control the light from 2 locations. Best for top and bottom of a staircase, garage and other large spaces. Please install it near the Electric Box which there is Line Wire. It meets your different lighting needs, save energy and cut down your bill.
[Remote Control & Schedule]: This dimmer switch controls the light from anywhere and anytime by the Smart Life/Treatlife APP. You can set up schedules for the light to turn on/off according to your daily routines. Support setting countdown, sunrise and sunset timer. The smart light switch will automatically turn the light on with the preset brightness or off at specific times. It looks like someone is at home when you leave.
[Share Control & Worry-free Support]: Device sharing feature of the alexa light switch allows you to share the control with your family. Let you and your family enjoy the proper atmosphere on different occasions by adjusting the brightness at any time. If you have any questions about your dimmer light switch, please feel free to contact us, we will give you online installation assistance. TREATLIFE