Welcome to our store! 1. Main Application: This tester is used to locate defects in cables and wires, and to find fiber breaks. 2. Pen Type: Designed in a pen shape for easy handling and a secure grip, making it very convenient to use! 3. Non-Contact Detection: Features non-contact detection, ensuring the end faces of optical fibers and transmitters are not damaged. Use with confidence! 4. Anti-Interference: Possesses strong anti-interference capabilities, with output power unaffected by voltage fluctuations. 5. Portable: Comes in a small, lightweight size, making it easy to carry and assist you with your work. Item Type: Visual Fault Locator Model: AUA H50 Material: Aluminum Alloy Output Power: Greater than 50MW Output Distance: 50 km Output Wavelength: 650 ± 10nm Operating Temperature: 0 to +60 ℃ Storage Temperature: -20 to +70 ℃ Battery Type: 2 x 1.5v AA batteries (batteries not included) Item Type: Cleaning Pen Material: Antistatic Resin Cleaning Times: More than 800 times Cleaning Capacity: 99% Application Range: Approx. 2.5 mm / 0.1 inch (SC, FC, ST) 1 x Visual Fault Locator 1 x Pen Bag 1 x Lanyard 1 x Ceramic Core 1 x Manual 1 x SC Cleaning Pen Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.