Voice control your led light strip by speaking to , 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 " Pro" from or ,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 Lights will change colours along with sound frequency when you speak to phone or . With Pri APP, 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 for RGB strip light, RGB LED module and RGB LED light box in all kinds of 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 . Voltage: DC12-24V Output channel: RGB 3 channels Output current: 4A * 3 CH Control distance: 50 meters (for barrier-free ), 20-25 meters ( for obstacle ) Lifespan: 10,000 hours Protecting degree: IP20 Working temperature: -20 Celsius ~55 Celsius Item weight: 15g / 0.5oz color: White Material: ABS Size: 176x22x9mm Line length: 12.5cm Package Contents: 1 * Wireless RGB LED Controller 1 * User Manual 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.