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Upgraded Fiber Optic Red Light Pen

Model: GUANGYAN-B3A

An upgraded fiber optic test pen equipped with dual power supply options, digital display, and a Type-C charging port. Designed with LED lighting, flip-lid activation, and a concealed replaceable ceramic tube, it ensures efficient and reliable fault detection. Compatible with SC, FC, ST interfaces, it meets diverse testing needs in compact form.

  • Dual power modes: battery or Type-C charging for flexible use anytime;
  • Smart digital display shows remaining battery and estimated usage time;
  • Built-in LED provides lighting assistance in low-light environments;
  • Flip-to-activate lid enables fast startup without button pressing;
  • Concealed replaceable ceramic tube design extends product lifespan;
  • 2.5mm universal interface supports SC, FC, ST connectors with ease.

Product Details

Why Choose Us

FAQ

  • 12+ Years of Industry Experience: Established in 2013, with deep expertise in fiber optic communication.
  • Complete Product Range: From fusion splicers to testers, covering all fiber optic needs.
  • Trusted by Global Customers: Widely used by major Chinese operators and exported to over 30 countries.
  • Certified Quality Assurance: ISO 9001, FCC, CE, ROHS certified for global reliability.
  • Independent R&D and Patents: Continuous innovation with professional R&D team and patented technologies.
  • Stable and Competitive: Delivering high-performance products with long-term reliability and value.
  • Dedicated After-Sales Support: Responsive service team to support your business every step of the way.

Q: Are you a factory or a trading company?

A: We are a professional manufacturer with our own R&D and production facilities since 2013.

 

Q: Do you provide OEM or ODM services?

A: Yes, we offer both OEM and ODM services to meet customer customization needs.

 

Q: What certifications do your products have?

A: Our products are certified with ISO 9001, CE, FCC, and ROHS.

 

Q: What is the lead time for orders?

A: For regular models, the lead time is usually 3–7 working days; for customized products, it’s 10–15 working days.

 

Q: Can I get a sample before bulk order?

A: Yes, samples are available. Please contact our sales team for pricing and delivery.