Car black box, Full hd recorder, GPS radar detector, GPS ... camera, mobile speed detection spot, sharp curves, accident black spot, gas station and exits of expressways etc.GPS ... free-voltage feature (DC12V~24V)Built in 2.5”LCD display: Playback in any time and any where, A single ... — "beep" and voice, Audio announcement plus a LED display (band counter), showing type of police radar band detected. ...