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 , music , timing . 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 meters Specification: Material:Plastic Size: Approx.5.4x2.3x1cm 2.13x0.91x0.39 inch Input voltage:DC5-28V output current:4ACH Protection grade:IP20 Operating temperature:-20-60 Barrier-free Distance :50 metres Obstacle Distance :20 to 25 metres Package Includes: 1 Piece Controller. Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color of the pictures and the actual item.