The tach looks and operates amazing. Extremely accurate.
CP-1A – LED Intensity Control Pot
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Product Overview
Prices
Retail Prices
Included in the package:
- CP-1A
- OPT-2 Connectors (3)
- 0.05″ Hex Wrench (1)
- CP-1A Instructions
Description
Package
Retail Price
CP-1A LED Intensity Control Pot
-
$72
Lead Time: Usually ships within 2–3 business days.

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Testimonials
Customer Testimonials
Thank you very much for this high-quality package, as well as for your quick email responses!
- Customer
Nicolas R. from France
- Aircraft
Cessna FA150K
- EI Instrument
My mechanic said that your product was very good, and he was correct.
Outstanding Customer Service!!
Customer support is great (and the) user interface is superior to other products.
- Customer
Earl L. from Idaho
- Aircraft
Cessna 170B
- EI Instrument
Really impressed thus far . . . . a rock solid replacement for old mechanical gauges.
- Customer
Eric H. from Mississippi
- Aircraft
Beechcraft C23 Sundowner
- EI Instrument
Great customer service!
Awesome Product! Great product and fantastic support!
- Customer
David B. from Texas
- Aircraft
Cessna 182Q Skylane
- EI Instrument
Great product. [nothing else] can compete.
Sharp-looking gauges. [I chose EI because of your] reputation.
- Customer
Garrett R. from Alaska
- Aircraft
Beechcraft King Air Model B100
- EI Instrument
The FP-5l I had installed is easy to use and so accurate it’s almost scary. When I find a company that produces a product that good I stick with them. The fact that these instruments also look so darn good didn’t hurt either.
We liked the price and the reputation of your company.
- Customer
Roy C. From Kentucky
- Aircraft
Piper PA-28-235 Cherokee Pathfinder
- EI Instrument