USB, SD card decoding, remote control, two channels, input and output set the preamp USB, SD card decoding,remote control,two channels,input and output set the preampvoltage :3-6V Panel Size: 7.5* 5 * 5CMRemote Size: 0.65 * 4 * 8.6CM We have professional QC system, a strong quality check system. We supply product in high-quatity.Payment and discountPayment: Western union and TT. We are ...