... optic tester, it aims at fiber network installation, fiber network engineering acceptance and fiber network maintenance. Combined usage with SNP3116 handheld ... ,330,1K,2KWave ID(nm)1310,1490,1550,1625Date storage capacity1000Communication PortUSBOptical Connector typeFC,SC,ST interchangeableAlkaline battery3*AA ... and Soft carrying case. optical power meter SNP3216 Series Handheld optical power meter