inputs.text: good product features - first impression product ok looks good qualityworkmanship great iso9001 label seehems claim quality product china initially verify operating correctly performed \\bench test\\ product assure ok saves time rehemoving bad unit vehicleuser manualthe user manual quite difficult follow instructions created china recomend read prior operating unitcamerathe camera require connecting backup light wireless performance may vary distance metal interfrerence transmitter provides clear color picture fieid view good multi color range lines useful determine proximity object bumper 1 foot away less wireless transmission mirror not evualuated distance supposed 10 meters camera two leds light ehemmiting diode elehements ideal night supplehement backup lights assist backup believe perform better ir infra red detectorsbluetooththe bluetooth pairs quickly instructions vague features provided paired iphone4 caller id display program partly readable name needs work manufacturer microphone speaker good provide clear crisp audio hands free caaling works good uses siri make calls via bluetooth link multifunction button answers calls used place callsfm musici not install mmc card music fm feature play music via fm radio set fm also use radio listen calls tuned selected frequency tested bluetooths connection car radiomirrorthe mirror somewhat heavy requires clippd original mirror power hardwiredto ignition not come power plug car outlet inexpensive adapter connect wires use waybattery battery provide power blue tooth based guess toi allow operator shut ignition continue phone call follow unit performance not goodear phone handy big clumsy use stores charges side mirror definite need privacy callers