Model : IROAD X30 Image sensor : Front: SONY STARVIS(IMX335) Image Sensor Rear: SONY STARVIS(IMX307) Image Sensor Resolution/Frame : Front: QUAD HD 2560x1440p/Rear: FULL HD 1920x1080p Viewing angle : 155 Wi-Fi supported : Smartphone Playback/Settings, Firmware Automatic Update Wi-Fi button : Activate "Stand-by Mode for Registration" Audio input : Embedded MIC Video/Audio : MP4/ADPCM Vibration Sensor : 3-axis Acceleration Sensor Voice guidance : Effect sound/buzz alert to inform the condition of the device Voice guidance supported Built-In GPS : Synched with Google Maps Records location and speed of the vehicle Storage medium : Micro SD 32GB-512GB (Class10) Recording mode : Driving, Event(Impact), Parking (Timelapse, Motion Detection) Uninterrupted powe