If the vehicle is involved in an accident such as a collision, impact and sudden acceleration, related incident, this data is marked and stored onto the SD card (2GB up to 32GB). One may thereafter analyze the data to find its root cause by playing back the scenes of interest and where acceleration, vehicle speed, direction, and location are available for review.
ADR3311 equips ONE front camera (1.3 mega pixel) and ONE separate rear camera (1.3 mega pixel) for video recording.

It has G force sensor to recognize the moment of car accident and microphone for audio recording. In addition, there is a LCD Display on the product to indicate the speed, time as well as product status.

ADR3311 contains a T-box to integrate the various function of parking surveillance, video out for monitor, Video in for rear camera, remote control receiver, USB port (SD card) and external alarm button (panic button).
Since this T-box is connected with ADR3311 by the wire so that the T-box can be placed in hidden place in the vehicle to prevent from tampering with data (SD card). The rear camera can be operated with rear lamp (rear transmission) to see the rear live view with the monitor.