... of your existing mirror, easy for installation! 3.5'' car rear view mirror with camera, Built-in dual stereo louder speaker with ... " TFT monitor Rearview with camera,auto start working while car backwardBuilt-in dual stereo louder speakerBuilt-in FM frequency transmitter ... your car stereo,total 7 points availableUniversal audio input for audio devices, such as iPods, MP3, MP4 to enjoy wireless stereo ...