Feature:1. [Visual Fault Locator] The visual fault locator is designed for maintenance of fiber cables and networks, visually locating defects on cables and identifying faults in fiber optic equipment.2. [30mW Output Power] With an output power of 30mW and a wavelength of 650nm10nm, the fiber optic pen offers accurate and efficient fault detection.3. [Non Contact Connection] The non contact connection guards fiber and transmitter end faces, and its output power is not affected by voltage fluctuations.4. [Easy to Use] Featuring an anti slip handle and a sliding switch design, this red light pen offers a comfortable grip and easy control for seamless usability.5. [Compact and Portable] Compact and lightweight, this fiber optic pen is easy to carry and provides stable power output, making it an ideal tool for fiber testing.Specification:Item Type: Fiber Optic Visual Fault LocatorMaterial: Aluminum Alloy, CeramicModel: AUA 50Output Optical Power: andgt 30mWOutput Wavelength: 650nm10nmFiber Adapter: Universal ConnectorOperating Temperature: 0-and60Storage Temperature: -20-and70Battery Type: 2 x AA Alkaline Batteries (Without).Package List:1 x Fiber Optic Visual Fault Locator1 x Ceramic Core1 x Storage Bag1 x Hanging Rope1 x Instruction Manual