1. GPS G-sensor dual camera car black box 2.2 cameras(120,170) 3.Night vision,AV out 4.Password for TF card 5.audio GPS G-sensor dual camera car black box 1.Suitable for taxi, trucks or buses.2.Auto record when power up system, synchronize ability outside and inside the car.3.Synchronize of Image, sound, G-sensor and GPS data.4.G-sensor sensitivity system on depend of the traffic (shock).Record ...