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 Module Relay: NO,NC Inpute Voltage: AC100-240V Working Voltage: AC100-240V 50/60Hz;DC12V/24V Max. Load: LED 150W, 5A Operation Temp.: -10- +55 Working Humidity: 90% WiFi Frequency: 2.4Ghz IP Rating: IP20 APP: TuyaSmart/ Smart Life Voice: for /for Home Assistant/ for Yandex No Hub Requirement:No Color: Yellow Material: ABS Package Contents: 1 x WiFi switch relay Only 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.