Voice control your led light strip by speaking to Amazon Alexa, Speak your demand,control your light strip through voice commands, you can turn on/off , change the color , dim/brighten the light strip.Download the APP Magic Home Pro from Google Play or Apple App Store,sign up your account and configure as the manual sayings and there is no hub required.You can select your favourite colour from 16 million colours in the APP, even can capture the colour around you to show on RGB light strips.Also there are 20 Built-in Colour Changing Dynamic Modes to meet your need.Via this LED WiFi Controller,the RGB LED Strip Lights will change colours along with sound frequency when you speak to phone or play music. With Magic Home Pri APP,easily set the RGB strip light when to switch on/off and it is amazing to group up your RGB strip lights to show different colours.It can be widely used compatible with RGB strip light, RGB LED module and RGB LED light box in all kinds of places such as screens, tables, hallways, stairs, trails, windows, etc.It is compatible with Alexa, you can turn on/off, change the colour, dim/brighten the light strip by voice via Amazon Echo.Voltage: DC5-28VOutput channel: RGB 3 channelsOutput current: 4A x 3 CHControl distance: 50 meters (compatible with barrier-free places), 20-25 meters ( compatible with obstacle places)Lifespan: 10,000 hoursProtecting degree: IP20Working temperature: -20 Celsius ~55 CelsiusItem weight: 15g / 0.5ozcolor: WhiteMaterial: ABSSize: 176x22x9mmLine length: 12.5cmPackage Contents:2 x Wireless RGB LED Controller2 x User ManualOnly the above package content, other products are not included.Note: Light shooting 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.