PLEASE NOTE: These units HAVE to be connected to your WiFi network within 7 days after being powered on/installed for the first time. Failing to do so will cause the unit to stop working. We recommend installation only once you are ready to connect the product to your WiFi network. PRODUCT DESCRIPTION Compatible with Incandescent lamps, halogen lamps, Iodine tungsten lamps, Resistive buck LED lamps, stepless dimming LED lamps. Smart WiFi touch control Stepless Dimmer Switch Supports a maximum of 150W, compatible with most lights with the dimming function. This dimmer provides the maximum amount of stepless dimming range, the user can dim the light to save more electricity and extend bulb life. Voltage: AC 90-250V voltage. APP Remote Control Users can use a smartphone to remotely turn on/off lights or adjust brightness at any time and anywhere via the APP as long as the iOS/Android phone has 3G/4G/WIFI connections. Enjoy the convenience of intelligent life! App: eWeLink (Does NOT support RF433 remote control.) Compatible with Amazon Alexa / Google Home / IFTTT Voice control this stepless WiFi dimmer via voice through Alexa / Google device to turn on/off the light and adjust the brightness. Connect APP with IFTTT, create and schedule actions on IFTTT website/APP to control your lights. Easy operation, smart life! PRODUCT SPECIFICATIONS Type: Smart Wall Outlet(US Plug) Material: Flame Retardant ABS, toughened glass Power Supply: 90-250V AC Max. Current: 2A/250V/Gang Max. Power: 150W Wi-Fi: IEEE 802.11 b/g/n, 433MHz RF Plug: US/EU standard OS Supported: Android and iOS APP Download: Tuya Dimensions: 120x72x36mm (Installation bottom case depth >29mm)