Welcome to our store! 1、BREAKPOINT POSITIONING: This visual fault locator is specifically designed for optical cable maintenance, visually searching for fiber breaks and locating defects, making it intuitive and convenient. 2、50KM 50mW Test Pen: This VFL test pen boasts an output distance of up to 50KM, with an output power exceeding 50mW, easily penetrating optical fibers over long distances. 3、FIBER CLEANING PEN: Equipped with an optical fiber end face cleaning pen, capable of cleaning over 800 times, it offers strong cleaning power and is applicable to 1.25mm LC or MU connectors. 4、NON-CONTACT OPERATION: The test pen causes no damage to optical fibers or transmitter end faces, and the output power is unaffected by voltage fluctuations. 5、ALUMINUM ALLOY BODY: The pen body is crafted from aluminum alloy, making it highly robust, compact, and lightweight for easy portability. The handle is non-slip for a comfortable grip. Item Type: Visual Fault Locator Red Light Pen Parameter: Material: Aluminum Alloy Output Power: >50MW Output Distance: 50KM Output Wavelength: 650±10nm Operating Temperature: 0℃ to +60℃ Storage Temperature: -20℃ to +70℃ Battery Type: 2 x 1.5V AA Battery (Not Included) Optical Fiber End Face Cleaning Pen Parameter: Material: Anti-static Resin Cleaning Times: More than 800 times Cleaning Capacity: 99% Application Range: Approx. 1.25mm/0.05in (LC MU) Includes: 1 x Visual Fault Locator 1 x Pen Case 1 x Lanyard 1 x Ceramic Core 1 x Manual 1 x LC Cleaning Pen Satisfaction Guarantee: Customer satisfaction is our top priority. If you encounter any issues with the product, please contact the seller immediately. We are committed to providing satisfactory customer service.