QYTeco 13.3" 39mm(1.5") 130M 9mm Reel with 1080P 150° Ultra Wide Viewing Angle Big Push Rod Camera Model QY6698 has 13.3-inch 1080P high-definition screen and is equipped with a 39mm camera 130 meters push rod  to improve pipeline detection capabilities.

QYTeco Plus Dual Reels 13.3" 29/21mm Camera 7.2mm 80M/5.3mm30M Push Rod Big Two Chanels Sewer Cameras
Model QY6689D has 13.3-inch 1080P high-definition screen and is equipped with a 21mm 30 meters push rod and a 29mm 80 meters push rod to improve pipeline detection capabilities.

QYTeco Dual Reel 13.3" 21/12.8mm Camera with 50M 5.3mm/30M 4.8mm Push Rod Compact Sewer Cameras
Model QY6688D has 13.3-inch 1080P high-definition screen and is equipped with a 12.8mm 30-meter push rod and a 21mm 50-meter push rod to improve pipeline detection capabilities.
 
QY6688D dual camera system comes with an inner 4.8mm blue reel containing the smallest 12.8mm camera head with
a more flexible cable for those small access inspections with tight turns; the outer 6.8mm red reel has a larger 21mm
camera head with a stiffer cable for larger pipe inspections.
 

QYTeco 13.3" 21/29mm Camera with 60M 6.8mm Push Rod Compact Sewer Cameras
Model QY6688U has 13.3-inch 1080P high-definition screen and is equipped with a 21mm head 6.8mm push rod 60meters to improve pipeline detection capabilities. With turntable design, new multi-functional camera holders and super battery pack.

 

Model QY6689 has 13.3-inch 1080P high-definition screen and is equipped with a 29mm low and high beam head for 80M long distance inspection. 7.2 meters push rod new design with new multi-functional camera holders and super battery pack.