Features: Compact Design: This smart wifi module with mini design suits for wall switch box,and easily it into your wall switch box of your traditional switch without any influences on your decoration style to make it smart.More importantly,your traditional switch and this smart module can work independently under non-interfering mode.(Note:This module is only suitable for rocker switch,see figure 2 for details.) App Control from Anywhere: This mini smart switch is compatible with both AC and DC power sources.You can control light, router, fans, TV, coffee maker or any other appliance under 16A remotely with a single press on the mobile app Smart Life even you're away. No hub required, compatible with most wifi routers (only with 2.4GHz wireless network)It can let you DIY a lot of smart projects: smart lights, fans, garage door, humidifier, thermostat etc. Voice Control: Works with and Home, instead of reaching for switch button every time, you can easily turn on/off the home appliances by your voice , no hub required, create scenes on or Home, very convenient especially when your hands are full Schedule Function: Set timer and countdown, create scenes, you can set timer schedules to automatically turn on/off your light, fans, or appliances according to your daily habits. For example, you can set the corridor lights to turn on when you come back home at night and to turn off when you leave home in the morning Group Control: Create a group for all smart relays for press control, smart relay can be controlled by multiple mobile phones, share it with your family, everyone can control it easily. Perfect for hard-to-reach appliances & devices without ON/OFF switches.An essential accessory for your home automation . specifications: Input voltage: AC90-250V 50 / 60Hz DC15-250V Maximum load current: 10A , for LED：200W WiFi standard: 2.4GHz 802.11 B / g / n Application Name: for Tuya smart / Smart Life Size: 40 * 40* 22MM Package Included: 1* WiFi Smart Switche Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 40 22MMPackage Included:1 WiFi Smart SwitcheNote:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.