The 14/20 provides voltage ranges, from 800 volts to 35,000 volts. 
This exclusive features enables you to inspect any pipe coating, from the thinnest fusion bonded epoxies to the thickest hot applied enamels. The Model 14/20 is also watertight and completely sealed against the elements, so it can operate in any locality. The 14/20 main instrument is worn on a belt, keeping most of the weight on the operator and not contributing to arm fatigue when used on tanks, floors, walls, or other non-pipe structures. Weighing only 8 pounds the Model 14/20 is the most lightweight detector on the market and is ideal for all kinds of rugged field use and inclement weather. 
 

The "Safety Switch Feature". 
The Safety Handle allows the user much more control over the instrument and does not allow the instrument to be left energized when unattended. This feature provides safety not only for the operator but also for all others sharing a job site.
 

"Super bright" LED's" 
That are easily seen in bright daylight conditions.