Research Electronics International, LLC (REI) is one of the world’s leading manufacturers of Electronic Detection and Testing Equipment for Security Applications.

Based in Cookeville, Tennessee, USA, REI specializes in Radio Frequency (RF) Detectors, Non-Linear Junction Detectors (NLJDs,) Telephone & Line Inspection Equipment, Audio Security Equipment (including Acoustic Noise Generators,) Video Inspection and Physical Inspection Equipment to locate Electronic Bugs or Eavesdropping Devices.

CSSPakistan in proud association with REI LLC brings you Ultraviolet Inspection Tools which include Ultraviolet Inspection Light and Ultraviolet Invisible Marking Pen.

Ultraviolet Inspection Light

UV Flashlight well-made with high quality aluminum alloy, make it strong, durable and long lasting. The Ultraviolet Inspection Light is perfect to be used with our Ultraviolet Invisible Marking pen.

Ultraviolet Invisible Marking Pen

Risk Reactor invisible all-purpose UV pen can be used for marking almost any type of substrate with an invisible, permanent, highly fluorescent (UV) tag for identification and tracing. The pen can be used in conjunction with our battery operated Ultraviolet Inspection Light to have a portable security system. Risk Reactor’s ultra violet marking pen is used extensively in numerous industries and to protect personal property.

Benefits of Risk Reactor’s Invisible UV Marking Pens:

  • Great for industrial and retail security measures
  • Adheres to just about any material
  • Goes on clear on almost all substrates
  • Won’t damage or deface property
  • 5000 marks
  • Invisible ink can be viewed by Agencies, Police and Detectives for verification
  • Fluoresces a bright blue or yellow under long wave black light
  • Easy to use, just use like a regular pen
  • Safe and non-toxic

How to Use our Security UV Invisible Marking Pen:
This product can be used on just about any surface. You should mark a small portion to ensure you will get the results desired. Some surfaces and surface colors are not as good as others. Risk Reactor can invisible mark any surface so please inquire if you are not getting the desired results. Use our Ultraviolet Inspection Light to view the mark.

For ownership of personal property mark each item with a unique number such as your driver’s license etc. This will allow police to verify the owner ship of the stolen item.

In retail, use the pen to mark receipts and purchased items with the persons driver’s license number, date of purchase, store number, model number of item purchased, etc. to ensure if the item is returned that they indeed bought it at your store. Keep most employees away from the knowledge of this system in case they are part of the scam. The fewer people know about it the better.

Product Video


  • Security markings.
  • Proof of ownership.
  • Quality control.
  • Industrial processes.
  • Document protection.
  • Retail proof of purchase.
  • Anti-counterfeiting.
  • Mark objects (i.e. screws, wall fixtures) to check for a breach at a later date.
  • Any situation where you need to mark an item invisibly for future identification.

Protect against Tampering/Security Breaches/Counterfeiting etc. Using Ultraviolet Inspection & Marking Tools.

Indispensable Tools to Secure and Mark Your Property and Instruments.

Call Capital Services System now at +92 51 2110 525 or send us an email at: to know more about Ultraviolet Inspection Tools.

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