Description:This controller is designed for LED strip， module etc. After easy installation and settings， you can use you phone (IOS or Android system) to control the light.Switch freely via phone between stand-alone and on-line modes. The remote control distance can reach 50 meters. Remote control by internet.Built in dynamic， customize mode， music mode， timing mode.16 million colors， in compact size， energy-efficient， environmental protection， great convenience and humanized design.Effective control distance: visible air distance of 50 meters， indoor effective control distance: 20-25 metersSpecification:Material:PlasticSize: Approx.5.4x2.3x1cm/ 2.13x0.91x0.39 inchInput voltage:DC5-28Voutput current:4A/CHProtection grade:IP20Operating temperature:-20-55Barrier-free Distance :50 metres Obstacle Distance :20 to 25 metresPackage Includes:2 Piece Controller.Note:Since the size abov