... 4.Good quality LED Controller, LED RGB Controller, LED RF Controller, LED IR Controller Technical ParametersPart No.:HS-RF4K ... on ordersOutput: 3 channelsConnecting mode: common anodeTransmission/Receiving Frequency: 433MHz External dimension: L130*W64*H24 mm Packing size: L145*W95 ... and other effects of change, and the speed can change with the voice swing.Application: SMD LED STRIP, WALL WASHER, ...