Features 1、7 WAVELENGTHS: The tester has 7 wavelengths, 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, which can cover most of the needs of communication engineering maintenance. 2、STANDARD INTERFACE: The optical power meter has a wide range of applications and is equipped with a 2.5mm standard interface, which is commonly used with SC, FC and ST connectors. 3、INTELLIGENT CHIP: The chip of the optical power meter is an integrated chip of a powerful light source, with a strong light source and stable light emission. 4、HIGH ACCURACY: The test data of the optical power meter is accurate, and it has the precise test wavelength of carrier level. 5、SILICONE SHELL: The optical power meter adopts a thickened soft silicone shell, which is anti drop and wear resistant to ensure the optical power meter. Specification Item Type: Fiber Optic Cable Tester Material: ABS and silicone Standard Wavelengths: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm Red Light Wavelength: 650nm Batteries: 2 x AA batteries (excluded) Package List 1 x Fiber Optic Cable Tester 1 x SC Connector 1 x Instruction