This 650nm visual fault locator is designed for field workers, providing an efficient and essential tool. Cost-effective solution for checking fiber optic cables and verifying optical network continuity during and after installation. Locate breaks, bad connections, kinks, or breaks in fiber optic cables. Operates with either CW or pulsed light output power: 30mW (30-32km). Infrared wavelength: 650nm. Infrared applications: single mode/multimode. Connectors: 2.5mm universal connector (SC/FC/ST interface available). Features: Continuous wave and pulse mode, constant output. Power supply: 2 AAA batteries. Housing material: Aluminum. Dimensions: Length: 175mm, Diameter: 26mm. Specifications: Power: 30mW Wavelength: 650nm Applications: Single-mode fiber / Multi-mode fiber Connectors: 1.25mm (or) 2.5mm universal FC connector (SC/FC/ST interface available). Note: 1.25 FC connector not included; adapter required. Power Supply: 2 AAA batteries (batteries not included)