Features SMART CHIP: The optical power meter chip is an integrated chip of a powerful light source, with strong light source and stable light emission. 7 WAVE LENGTHS: The tester has 7 wavelengths, 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, which can cover most communications engineering maintenance needs. STANDARD INTERFACE: The optical power meter has a wide range of applications and is equipped with a standard 2.5mm interface, which is commonly used with SC, FC and ST connectors. SILICONE CASING: The optical power meter adopts a soft and thick silicone shell, which is anti-drop and wear-resistant to ensure the optical power meter. HIGH ACCURACY: The test data of the optical power meter is accurate and has the accurate test wavelength of the carrier level. 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 Package List 1 x Fiber Optic Cable Tester 1 x SC Connector 1 x Instruction