Both the main camera and slave camera work in 1080P@30fps mode while connected together, the picture from rear-view camera will also display on LCD screen. Slave camera is sold separately and could not be used individually.
For connecting slave cam, skeleton case with side opening is required.
Image Sensor: 1/2.9 type Sony CMOS Sensor
Lens: F1.8 Aperture, 7G glasses; Fov:135°