Welcome to the store! VISUAL FAULT LOCATOR: This pen-shaped tester is meticulously designed for optical cable maintenance and optimization, with an output distance of up to 10 km. FAULT LOCATION: This red light pen enables quick and accurate defect location, with powerful visual search capabilities to easily identify fiber breaks. CONTACTLESS CONNECTION: The contactless connection technology ensures that your fiber and transmitter end face remain undamaged, providing results without causing harm. STABLE POWER OUTPUT: With a reliable and stable power output, this tester is equipped to withstand the effects of voltage fluctuations, delivering consistently accurate performance every time. COMPACT CONSTRUCTION: Crafted from lightweight and robust aluminum alloy, this visual fault locator is perfect for everyday use, with a small and portable design ensuring you can take it anywhere. Item Type: Visual Fault Locator Material: Aluminum Alloy Model: AUA G10 Fiber Optic Adapter: Universal Connector Output Distance: 10KM Output Wavelength: 650±10nm Operating Temperature: 0℃ to +60℃ Storage Temperature: -20℃ to +70℃ Battery Type: AAA Battery x 2 (not included) 1 x Visual Fault Locator 1 x User Manual 1 x Ceramic Core Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!