... WY-8000 is a high performance mini-OTDR, which is small in size, light ... in the manufacture, construction and maintenance of optical fibers.Features:Light weightLong battery lifeHigh performanceAutomatic measurementComprehensive ... continuous working timeMax. pulse width10µsDimensions258mmx145mmx70mmWeight1.8KgStandard PackageWY-8000 OTDR, Li battery, Charger, Manual Instruction, Carry caseOptional ...