What's in the box:

Wifi Smart Dimmer Switch Fan Speed Controller Compatible with Alexa Google Home with Remote Control Single-Pole Neutral Wire Required Stepless Control Dimmer Switch with Scene and Timing Mode 120V US Type (Standard)

Features:
Single Pole & 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 3-way smart dimmer switch 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.
100% Dimmable -- This wifi 3 way dimmer switch can adjust brightness level from 0-100%, and you can create schedules and add scene mode and timing mode in app to automatically turn the light on with the preset brightness or off at specific times via Tuya Smart Life APP on your smart phones anywhere, anytime you like.
Voice Control -- The smart dimmer switch compatible with Alexa & Google Home Assistant to free your hands; No Hub or subscription required. Comment to contol your home light.
Remote Control & Family Share -- Remote control your smart dimmer switch from anywhere via Tuya App; set schedules to turn on/off lamps while you are home or away. You can also share the App with your family members to control device.
Simple Installation -- Neutral Wire is required; 2.4G Wi-Fi only (NOT 5G); No need to understand complex wiring, step-by-step instructions will guide you through the wiring process.; smart dimmer switch max power of 250W LED, CFL, 430W INC; flame-retardant material and built-in overheat protection for added security.
Exquisite Workmanship & Longevity -- Excellent design and high quality materials to ensure long term stable and reliable service; Stepless touch dimming maskes the brightness adjustment easy and smooth; Silence mechanical push button more comfortable to use.

Specification:
Brand: EDM-1WAA-US
Material: PC
Color: White
Input Power: 120V AC 60Hz
Dimming Control: TRIAC Edge Cut
Inductive Load (LED/CFL): 250W Max
Resistive Load(Incandescent): 430W Max
Communication: WiFi 802.11 b/g/n 2.4GHz
Control Channel: 1 CH
Standby Power: 1W
Button Life: 500K times
Item Size: 105*45*45mm

Packingn List:
1 * Smart Dimmer Switch
1 * Bag of Install Acceries]
1 * User Manual