Features:Stepless DimmingThis dimmer provides the maximum amount of stepless dimming range, allowing users to dim the lights to save more power and extend lamp life.Many UsesIt is suitable for incandescent bulbs, halogen bulbs, iodine tungsten lamps, resistive buck LED bulbs, stepless dimming LED bulbs.Wide CompatibilityCompatible with iOS and Android OS. Compatible with Amazon Alexa, Google home, IFTTT, etc.Multi-FunctionTiming, Voice control, Sharing, Overload protection, Mobile control.APP Remote ControlIn the network state, userscan use APP onsmart phone to remotely control turn on / off home electronics at anytime and anywhere.Specifications:Type:Wifi TouchedDimmerwall switchTouching: Off/On/DimmingMaterial: ABS+TemperedColor: Black, White(Optional)Switch Type: touched/App/voice control/dimmingPower supply: AC 90V-250VMax. Power: 300W/ gangMax. Current: 2A / 250VWireless: IEEE 802.11 b/g/n2.4GSecurity: WPA-PSK/WPA2-PSKSystem: for Android and iOSAPP download: eWeLinkCompatibility: Compatible with Google home, Amazon Alexa, IFTTTItem weight:130g / 4.58ozPackage weight:155g /5.46ozItem size: 8.6*8.6*3.2cm / 3.38*3.38*1.25inPackage size: 9.5*9*4cm / 3.74*3.54*1.57inNOTE: NEUTRAL WIRE REQUIRED. This Wi-Fi smart switch must be powered up by both Live & Neutral wire. There is not all kinds of the lamp/lights can work with the dimmer switch. Please kindly see below or please contact our customer service. (1)Ordinary LED lights can not be dimmed, but can set on/off.(2)The gear dimming LED is not suitable for this dimmer switch. Such as 3 gears 20%, 50%, 90%. The dimmable LED must be a resistive step-down LED lamp / stepless dimming LED lamp.(3)All energy-saving lamps are not suitable for dimmer switch.(4)Fluorescent lamps are not suitable for dimmer switch.(5)The total power of the lighting fixtures or fixtures used together cannot exceed 150W.Package Lists:1* Smart Light Switch2*Long Screw1* User Manual (English/German)