This CCD reversing camera is designed to fit on the roof of modern vans with doors that reach the very top. The camera is in the shape of a ball on the end of a bracket that lifts and projects the camera away from the roof as shown in the photograph below.

We have just had this upgraded to the latest Sony 811 700TVL image sensors, below is a guide to show where this sits in the quality rating of all image sensors out there:

Specification

Image Device:1/3 SONY 811 700TVL CCD
TV System: PAL
Effective Pixels: 976*582
Scanning System: 2:1 Interlace
Sync. System: Internal
Resolution: 700 TV lines
Minimum Illumination:0 Lux (IR leds on)
Video Output:1.0vp-p,75Ohm
Gamma Consumption: 0.45
AGC: Auto
S/N Ratio: Better than 48dB
White Balance: Auto
Electronic Shutter: 1/50Sec-12.5μSec (PAL) / 1/60Sec-12μSec (NTSC)
BLC: Auto
Current Consumption:100mA
Waterproof to Ip68
Infra red LEDs to provide night view
Waterproof with adjustable shade to prevent glare from sun
Mirror image only