Product Information:
Shell material: Aluminum pen type
Output optical power: >50mW
Output distance: 50KM
Wavelength: 650nm ± 20nm
Fiber optic adapter: Universal connector
Operating temperature: 0-60°C
Storage stability: -20-70°C
Size: 175 * 26 * 26mm
Product weight: 165g
Working mode: Continuous wave and pulse
Applicable interface: ST/SC/FC/LC (FC male to LC female adapter included)
Power: 2 AA batteries (included)

What's in the box:
- 50mW VFL Pen x 1
- FC Male to LC Female Adapter x 1
- Carrying Bag x 1
- Lanyard x 1
- User Guide x 1
- AA type battery x 1
- Total: 6

Functions and Attributes:
1. Long output distance
This 50mW visual fault locator has a strong red light output and can transmit up to 40-50 kilometers. The efficient power circuit ensures stable power supply.
Metal matte paint design
The stainless steel head and aluminum-alloy body design prevent collision and dust accumulation, and the chassis grounding design effectively prevents electrostatic discharge damage.
Widely used
The detector's 2.5mm universal connector is compatible with ST, SC, and FC connectors in both circular and square shapes, and can test both single-mode and multi-mode cables.
Practical design, excellent function
Compact size and lightweight, with constant output power, low battery power alarm, long battery life, and long-distance detection.

Quality assurance:
With more than 10 years of professional production experience, we offer efficient technical support and superb processing technology. We are committed to providing the best products and services to every customer and offer a no-questions-asked return or exchange policy. Please feel free to contact us with any questions or feedback.