Model Number: SB881R-4-T7 S1 Brand Name: CISBO Key Specifications/Special Features: Features:1. Display the optical image by an infrared rearview camera equipped behind your car.2. Measuring the distance by radar, the sensors measure the obstacle distance, display in the TFT screen, Measure distance between 0.32.0m3. Direction the way, it can show the obstacle is right or left4. it can connect to car VCD/DVD player, and match with all kinds of TFT screen.5. Alarm by BI BI Sound.6. Different Size of LCD Monitor and different kinds of car rearview camera can be matched.7. Providing you with a more safe driving circumstance.