Jonard Tools OFI-50 Optical Fiber Identifier with Multiple Adapters for Efficient Fiber Testing and Identification

- Jonard Tools OFI-50 Optical Fiber Identifier with 2 mm, 3 mm, 900 nm & 250 nm Adapters offers reliable performance and quality- QUICK IDENTIFICATION: Quickly identifies the direction of transmitted fiber and displays the relative core power without damaging the fiber or disrupting the network- AUDIBLE WARNING: Efficiently detects traffic direction and frequency tone (270 Hz, 1 kHz, 2 kHz)