Yes , the 360 degrees bird view has 24 months warranty.
Yes , our system can work with decoder.
The cameras will be adjusted by the calibration cloths. The detail installation as in the user manual.
Our system is SONY225 lens , with 0.01Lux Minimum Illumination. So it is high quality to work at night.
Automatically to work , such as ,
1) when you turn left , it will be automatically to shows left camera video +Bird view
2) When you turn right , it will be automatically to shows right camera video + bird view
3) When you go straight, it will be automatically to shows front camera video + bird view
4) When you reverse , it will be automatically to shows rear camera video + bird view