VFL Output Power: 5mW 100% Brand New and High Quality Color: Black & Orange Material: Plastic Connector Type: SC FC ST Optical Power: -70~+6dBm Application: FTTH FTTB FTTX Network, Outdoor and Indoor Wavelength: 850/980/1270/1300/1310/1490/1550/1577/1625 nm Power Supply: DC +5V/1A Output Battery: 1100mAh Li-battery Type: Fiber Optic Power Meter This fiber cable tester measures fiber loss and supports 850 nm, 980 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm, and 1625 nm wavelengths. Testing Range: -70dBm~+10dBm, 5mW red light source. The compact design features automatic shutdown, a backlit display, wavelength memory, optical fiber working frequency identification, user calibration support, a wide testing range, and auxiliary lighting. Ideal for testing optical fiber link loss and on/off status. Controlled by a single-chip microprocessor with comprehensive functions. Widely used in optical cable construction and maintenance, optical fiber communication, optical fiber sensing, optical CATV, and other fields. The ergonomic design meets human body function requirements and utilizes advanced thermoplastic molding technology for a beautiful and durable finish. This handheld optical power meter is primarily used for continuous optical power measurement. Package Includes: Fiber Optic Cable Tester Notes: Due to monitor differences, the actual color may vary slightly. Please allow 1-3cm measurement deviation due to manual measurement.