Ryobi TEK4 Digital Inspection Scope

By Robert Robillard on Tool Reviews

Ryobi TEK4 Digital Inspection Scope, Model RP4205  REVIEW

The folks at Ryobi, up till now cost dictated that Digital Inspection Scopes were for professionals only. Ryobi TEK4 Digital Inspection Scope, Model RP4205

Ryobi’s TEK4 Digital Inspection Scope is the solution of serious DIYers and homeowners who have a need for peeking into wall cavities, into pipes or ducts and other enclosed hard to reach spaces.

First Impression:

The Ryobi TEK4 Digital Inspection Scope is a sturdy and easy to use with minimal functions.  Ryobi followed the “K.I.S.S. Principle” in their controls design and I like it!

The unit has four [4] controls; an on/off switch, a zoom function, a rotate view (rotate the view 180 degrees) and light switch which turns on a LED light at the end of the scope. The rotate feature can be useful when trying to figure out what an object may be.

It powers up easily and quickly, has an 2 setting LED light and 2x magnification.   The inspection wand was flexible enough at 36″ andRyobi TEK4 Digital Inspection Scope, Model RP4205 plenty long.  I found the screen  plenty bright but not detachable like some of the more expensive professional models.


  • 4 Stage Ultra-bright LED Light – For complete image brightness control
  • Flexible 3 ft. Waterproof Camera Cable – For viewing in confined areas
  • Digital Zoom Feature– Provides up to 2x magnification
  • On-screen image Rotates 180 Degrees – To adjust to operator’s perspective
  • On-screen Battery meter – Alerts you when its time to recharge
  • Bright, 2.7 in. high Resolution Color LCD screen – For crisp, clear images

Using The RYOBI TEK4 Digital Inspection Scope:

I used the Ryobi TEK4 Digital Inspection Scope the other day to inspect refrigerator coils for a leak and also today to inspect and troubleshoot mRyobi TEK4 Digital Inspection Scope, Model RP4205 y workshop table saw’s  blade gear drive.  The crank has been getting difficult to raise and lower the blade.  Inspection showed that the gear had a build up of sap and saw dust.   Once I figured that out the remedy was simple.

How Much And Where To Buy:

The Ryobi TEK4 Digital Inspection Scope sells for $139 at Home Depot.

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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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