Product Name: OTDR Dead Zone Eliminator Fiber Optic OTDR Launch Cable Box 1km Sm Single Mode 9/125 Sc -APC Connectors 1310/1550nm Model NO.: zml Name: OTDR Launch Box Length: 500m/1km /2km Fiber Type: Sc/APC/Upc Trademark: XC Transport Package: One PCS in One Plastic Box Specification: 32x30x10 Origin: China HS Code: 9002391 Product Description Features:Pulse Suppressor, Launch Box, Delay Line, Installation/Testing, Training, CalibrationCompound Latch for positive seal and easy opening with locking featureNon-metal construction will not dent, corrode, or conduce electricityWater and dust prove allowing the unit to be taken into almost any environmentCase can house up to 2,000 meters of fiberAuto Purge Valve for changes in altitude and temperatureSpecifications:Cable Box Length x Width x Height: 9.37" x 5.56" x 2.62" (238x141x66mm)Material: SR PolypropyleneWeight: 0.75 kg (without fiber)Operating temperature: -40° to +55°C