PBD-R series Portable Video Borescope is the newest 
model detection equipment from WISE DIGITAL.               
Comparing with other old models. This type has below characters:
More smaller, more portable, and very easy to use with its portable structure;
Single-handled operation, adjustable Brightness;
Remote head could detect the narrow curved space which other equipment could not enter ;
It could Display\Capture\Record high-definition color images and video;
With Rechargeable Battery , its working at least 4 hours;
The price is lower about 50%-80% than the similar products in the world.