Specification Brand : Tyenaza Label : Tyenaza Manufacturer : Tyenaza PartNumber : Tyenazaux0dmz6kr3 ProductGroup : Home ProductTypeName : ELECTRIC_CIRCUIT_TESTING_DEVICE Publisher : Tyenaza SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41yRoAml+vL._SL75_.jpg SmallImage_Width : 75 Studio : Tyenaza Title : Tyenaza 3 in 1 Optical Fiber Power Meter, 850 to 1650nm LED Rechargeable Optical Power Meter 70 to 10dbm for Communication Engineering