SX261 Visual Fault Locator ( Laser Pen ) 10KM,fast response, ... LD Emitter,FC/PC(Interchangeable SC,ST) SX261 Visual Fault Locator (Laser Pen )Description: SX261 generates red ... visible red laser that escaping from optical fibers makes testing and finding breaks in LANs, verifying continuity, checking ... splice cases, bad connectors, tight bends in fiber cable. Features:1.Easy to use2.Fast response, no ...