VFL-Power: 5mW 100% Brand New and High Quality Color: Black & Orange. Material: Plastic Contact Type: SC FC ST Power: -70~+6dbm Usage: FTTH FTTB FTTX Network, Indoor and Outdoor Wavelength: 850/980/1270/1300/1310/1490/1550/1577/1625 nm Power: DC +5V/1A Output Battery: 1100mAh Li-battery Type: Fiber Optic Power * Fiber optic cable tester to measure fiber loss, supports 850 nm, 980 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm, and 1625 nm wavelengths. Test range: -70dBm~+10dBm, 5mw red light source. * The machine has a compact design, automatic shut-off function, background lighting display, wavelength memory function, optical fiber working frequency identification, user calibration support, wide test range, and support lighting. * Used for testing optical fiber link loss and testing optical fiber lines on and off. Controlled by a microprocessor with a single chip containing complete functions. * Widely used in optical cable construction and maintenance, optical fiber communication, optical cable detection, optical CATV, and other areas. * The aircraft design meets human body function requirements and adopts advanced thermoplastic molding technology, making it beautiful and durable. * Handheld optical power is mainly used for continuous optical power. Packaging Includes: Fiber Optic Cable Tester Notes: 1. Due to different screen displays and light effects, the actual color of the product may slightly differ from the color shown in images. 2. Allow 1-3 cm measurement deviation depending on manual measurement.