The Flexible Borescopes:
1.diameter of the camera:5.5mm
2.it can read in two directions(left and right 100 degrees).

The Flexible Borescopes:

Videoscope Ø 5.5 X 2000mm associated with a LCD
video screen 6.5inch
Working diameter Ø 5.5mm
Working length 2000mm
Read in two directions left and right up to 100°
Image Sensor: 1/10'' CMOS
Pixels: 180000pixels
Focus: 10-100mm
Field View: ≥50°
Waterproof
Depth of field: 5mm--100mm
Tube: Stainless network tube
Temperature of use 10°to + 50°
USB Output
Display: 6.5 inch LCD Monitor