1. APP Remote Control: Turn on/off the devices from anywhere after connected the module to TuyaSmart/Smart Life APP.2. Voice Control: Just need simple voice commands to trigger the dry contact through for / Home Assistant,turn on/off the device effortlessly.3. Timing Function: With flexible timer setting, you can trigger connected devices while saving energy.4. Relay Status Function: With Relay Status Function, you 't have to worry about power outages as you can set on/off/remember the last status of the smart dry contact as relay status.5. Device Sharing: The switch can be shared to other family member who has Tuya Smart, or Smart life App Account. So that other people can control the switch via App as well.Product Type: WiFi Switch ModuleRelay: NO,NCInpute Voltage: AC100-240VWorking Voltage: AC100-240V 50/60Hz;DC12V/24VMax. Load: LED 150W, 5AOperation Temp.: -10- +55Working Humidity: 90%WiFi Frequency: 2.4GhzIP Rating: IP20APP: TuyaSmart/ Smart LifeVoice: for /for Home Assistant/ for YandexNo Hub Requirement:NoColor: YellowMaterial: ABSPackage Contents:1 x WiFi switch relayOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.