Search query: smart switch without neutral wire

Product: 3 Way Smart Switch, Treatlife 2.4Ghz WiFi Smart Light Switch 3 Way Switch Compatible with Alexa, Google Home and SmartThings, Remote Control, ETL, Schedule, Neutral Wire Required 4 Pack Treatlife 3 Way Smart Switch 4 PACK EASY TO INSTALL: Step-by-step instructions will guide you through the wiring process. Neutral wire is required; standard size; screwless snap-on wall plate; no hub required. For 2.4G Wi-Fi only (NOT 5G). Max Power: 1250W. Output Current: 10A. Not work with dimmable bulbs.
SINGLE-POLE AND 3-WAY APPLICATION: Using it as 3-way or single pole switch to control the light from 1 or 2 locations. Replace one of your traditional 3-way switch with our Treatlife 3-way smart switch or use 2 Treatlife 3-way switches to control the light from 2 locations, such as at the top and bottom of a staircase, at the ends of a long hallway, for large rooms with multiple entrances, from house to garage, etc.
SMART HOME LIGHTING: Hands-free voice control via Alexa or Google Assistant, your family can enjoy superior lighting automation. Personalize custom lighting scenes to make your home more smarter and easily.
REMOTE CONTROL: Control the light from anywhere with your smartphone using the Smart Life App. Automate home lighting with schedules or countdown based on everyday routines or to simulate occupancy while you are on vacation. You can also monitor real-time light status, share devices, and group many Treatlife switches to control all the lights in your home.
RELIABLE USE & WORRY-FREE WARRANTY: Certified by FCC/ETL. Flame-retardant material and built-in overheat protection for added safety. Refer to the PDF attached below in Technical Specification for user manual. Shop with confidence thanks to friendly customer support provided from Treatlife. TREATLIFE