We offer kingfisher ki7011b automated variable optical attenuator. The ki7010b series automated variable optical attenuator is an easy to use instrument for testing optical transmission equipment. It combines superb accuracy with high productivity. features * high optical power capability* high absolute accuracy* low wavelength sensitivity* good orl, pdl & pmd performance* long battery life* interchangeable connectors* user defined sequencing* remote control pc software* compact, rugged & light weight this is a new unit! http:www.testequipmentconnection.com66550kingfisher_ki7011b.php