inputs.text: review trendenz - comparing functionality several devices like one listed features neededit essentially android smartphone without phone ability upgrade via adding software apps androidthe biggest issue reflectivity image mirror necessarily partially mirrored surface comes protective film although protects also dims reflection even took helped usable reflectivity would nicei still think protective film would good harder clearer one concerned surface get scratched easilythe camera hangs alert eye obvious little stealthiness available trying record sly camera turn around 180 record interior car currently interesting microphone inset unit facing forward window bit reduced audio detection radio could not hear conversations carthere second camera no audio input positioned remotely datapower line 15ft longthe battery last 1 hour per charge unit powered either miniusb connection jack serves input second remote camera dedicated power connection apparently downconverted 5v not 12v car normally hasthe unit wifi connectivity nearby wifi network not sensitive antenna need near wireless access point full android internet browser osalthough apparently gps antenna circuitry unit no installed navigation software figure download install fromthe web needs android based navigation softwarethe dashcam software fairly comprehensive options record one camera start automatically start motion unit also subsection review recorded videosthere voice feedback settings actions ostensibly engrish heavily accented mandarin hard understand small manual also engrish mandarin marginally helpful operating manualthe settings recording allow different selections resolution colorcontrastauto file block size video recordingsthere velcro straps secure unit existing rearview mirror take slack straps positioning starting point slack little tricky first soon becomes apparent dothe unit connect computer not obvious one needs actually mount volumes computer standard android os interfacing would enable one download videos unit opposed removing memory card way load unit software mediathe tf sdcard uses micro sd disk form tricky insert even trickier remove inserted window facing side removal cannot done easily fly emergency even easily unit mounted rearview mirror card little string handle attached would easieri dont know unit bluetooth capabilityoverall best used dashcam could serviceable gps navigation unit get good software installed media playback capability get music movies screen kind small thatkeeping powered inelegant necessary continued use car usb jack sticks sideways could cause stress damage port powered 90degree adapter points might help alternately 56volt power source downconverted 12v car power must wired power another portask questions may try answer