["Description:\r\nPen red light emitting device by using 650nm semiconductor laser to emit red light, stable, and optical interface is connected into themultimode and single-mode optical fiber, optical fiber fault detection function.\r\nOptical engineering construction, network maintenance, fiber optical devices indispen sable production and research tools.\r\n\r\nFeatures:\r\nbrand new and high quality. \r\nCharacteristic:\r\n- well LD as light source\r\n- CW and MOD mode\r\n- for FC, SC, ST interface\r\n- detection distance\r\n- stable power output\r\n- low power\r\n- nanotechnology multiple electrostatic protection\r\n- rugged enclosure\r\n- pen shape design, convenient to carry and use\r\nFunction:\r\n- fiber breakage, bending failure location\r\n- Fault check \r\n- end-to-end optical recognition\r\n- mechanical connection point optimization\r\nApplication:\r\n- Telecom, CATV engineering and maintenance\r\n- Integrated wiring construction and maintenance\r\n- The production and research of optical devices \r\n- Other optical engineering\r\n\r\nSpecifications:\r\nModel: HT-10\r\nfor Shell material: Aluminum Alloy\r\nColor: Black\r\nSize: (Approx.) \r\n Top diameter: 2.5cm/0.98in\r\n Bottom diameter: 2cm/0.79in\r\n Height: 17.5cm/6.89in\r\n Lanyard: 12cm/4.72in\r\n Storage Bag: 19×4cm/7.48×1.57in \r\nWavelength: 650nm ± 10nm\r\nOutput power: More than 10mw\r\nDynamic Distance: Less than 10km\r\nFiber Optic adapter: Universal Connector\r\nPower Supply: AA*2 (not included)\r\nBattery life: more than 13h \r\nQuantity: 1 Set\r\n\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes: (With retail package)\r\n1 X 10mW Visual Fault Locator\r\n1 X Visual Fault Locator Storage Bag\r\n1 X Lanyard"]