LONG OUTPUT DISTANCE: This 10mW visual fault locator emits a strong red light with an output distance up to 10 km. High-efficiency power circuits ensure stable performance. METAL DESIGN: Features a stainless steel tip and aluminum body for durability, providing protection against impact and dust. Grounded case design helps prevent ESD damage. WIDELY COMPATIBLE: The 2.5mm universal connector is compatible with ST, SC, and LC connectors, working with both round and square fiber optic cables. Suitable for testing single-mode and multi-mode fibers. SPECIFICATIONS: - Shell Material: Aluminum - Type: Pen-style - Output Optical Power: Over 10mW - Output Distance: 10 km - Wavelength: 650nm ±20nm - Operating Temperature: 0°C to 60°C - Storage Temperature: -20°C to 70°C - Operation Modes: Continuous Wave (CW) and Pulse mode - Compatible Interfaces: ST, SC, LC (LC requires additional adapter) - Power Source: 2 AA batteries (included) - Color: Black + Orange - Material: Metal PACKAGE CONTENTS: 1 x 10mW Pen-type Visual Fault Locator 1 x Carrying Bag 1 x Lanyard 1 x English User Manual 2 x AA Batteries Note: The color may vary slightly due to lighting and monitor settings. Measurement error tolerance is +/- 1-3 cm. Only the items listed are included.