Visual Fault Locator, Visual laser source,laser source -detect distance up to 7 KM -CW and modulated signal -rechargeable bat Visual Fault Locator, Visual laser source,laser source-detect distance up to 7 KM-CW and modulated signal-rechargeable batteryItem / Model No.FHV1AWavelength650 + 10nmEmitter TypeLDConnector TypeFC/PC (interchangeable SC,ST)Modulated Frequency2 HzOutput Power0, 3, 8 dBm ( ...