Features 1、Wide in Utility: Widely used in fiber optic cable construction and maintenance, fiber optic communication, fiber optic sensing, optical CAT and other fields. 2、Various Functions: All in one optical fiber power meter has a compact appearance, automatic power off function, adjustable power, wavelength memory function, automatic recognition of working frequency, support for lighting, storage and other functions. 3、Smart Testing: Support SC, FC, and ST interfaces. Supports linear nW and nonlinear indicators dB. Supports RJ45 testing. 4、Premium Design: The body design conforms to ergonomic requirements and adopts cold molding, which is beautiful and durable. 5、Simple Carrying: Comes with a compact size and a light weight as well, the optical fiber power meter is very convenient to carry to outdoor use. Specification Item Type: Optical Fiber Power Meter Power Meter Detector Type: InGaAs Power Meter Interface: 2.5mm Universal Interface Calibration Wavelength: 630-670nm Measurement Range: Type A, -70~+3dBm. Resolution: 0.01dB Accuracy: ± 0.20dB Frequency Recognition: 270Hz, 330Hz, 1KHz, 2KHz Wavelength Recognition: Supporting, which requires compatible light source. Red Light Source Interface: FC, SC, ST 2.5mm Universal Interface Red Light Source Output Power: < 30mW LED Flashlight: Supporting Network Cable Sequence Detection: RJ45 Interface Data Interface: Type C Interface Battery: 1 x 3.7V 450mAh lithium battery, shipped with built in battery. Storage Temperature: -20-60 ℃, <90% RH Operating Temperature: -10-60 ℃, <90% RH Package List 1 x Optical Fiber Power Meter 1 x Cable 1 x User Manual 1 x Lanyard