Cool and fantastic tech design that makes your dailylife so much easier with a simple clicking on your smartphone, which makes your home smarter. This Tuya WiFi dimmer switch adopts cellphone APP operation, realizing the remote control of home lighting, making the home illuminating system more intelligent. Users can adjust the brightness of lights at home at any time according to their needs and preferences, improving the comfort and convenience of life. Supporting voice control, it can connect to Alexa and Google Assistant, and users can operate by voice commands, greatly improving the convenience of use. Features: APP Control: After downloading the mobilephone APP, you can control the switch whenever and wherever you want via the mobilephone APP. Whether you are on vacation, at work or home, you can enjoy the convenience of the mobilephone APP. Power-on Status Settable: Depending on your living habits and needs, you can set the device to turn on or off after power-up or maintain the last switch status, so that your home appliances can continue to operate normally. Multi- Specifications Optional: Two types of switches are available, you can choose the rocker switch and self-reset switch, perfectly adapted to different home switches. And you can choose the 1-gang and 2-gang according to your needs. The 1-gang dimming version can be connected to a single switch, and the 2-gang dimming version can be connected to a 2-way switch. Rocker Switch & Switch Status Synchronization: Supports the dual control function of the matched switch. Two types of operation can be set: switch state and state synchronization. After setting state synchronization, the two on/off positions are fixed and synchronized with other switches. (Note: This function is only applicable to the rocker switch.) Self-reset Switch & Dimming Fade Time Setting: You can long-press the self-reset switch within the set time, the light will realize the fade effect from 1% to 100% or 100% to 1% within the set fade time (5-15s adjustable). (This function is only applicable to the WiFi version of dimmer on/off and self-reset switch.) Voice Control: High compatibility, compatible with Alexa and Google Assistant for voice control, you can turn on or off the light just by voice. It can be used in your home, office, hotel, and so on. Multiple Control Achievable: No need to worry about rewiring issues. You can realize double control or even multiple controls on one light after the app setting. Device Share: Makes your dailylife so much easier with a simple clicking on your smartphone, you can hare and control with your family and get a smarter home just for you together. Convenient Installation: The dimmer switch supports a variety of installation methods. Its bracket can be stuck on the rail, or screwed into the wall box to ensure that the through-breaker is firmly installed. Specifications: Name: Dimmer Switch Material: PC Type: WM-104-M (rocker switch 1 gang), WM-104B-M (rocker switch 2 gang), WM-105-M (self-reset switch 1 gang), WM-105B-M (self-reset switch 2 gang)(optional) Voltage: 90-250VAC Wireless protocol: Wi-Fi 2.4GHz IEEE 802.11 b/g/n Operation temp.: 0-40 Case temp.Tc: +80 (Max.) IP rating: IP20 Item size: 40 * 40 * 18mm / 1.57 * 1.57 * 0.71in Item weight: 59g / 2.08ounce Package size: 80 * 80 * 30mm / 3.15 * 3.15 * 1.18in Package weight: 60g / 2.12ounce Packing List: 1 * Dimmer Switch