Micro-OTDR Model: TN1700-P1 Wavelength: 1550nm, with filter Dynamic Range: 22dB Test Range: 10m to 70km Support Active Fiber Test Support Live Fiber Test Support in-service Fiber Test Multi Functions are integrated:OTDR (Auto Test), OTDR (Average Test), OTDR (Real Time Test), Event Map, Visual Fault Locator (VFL), Optical Power Meter (OPM), Optical Light Source (OLS), Loss Test, LED Light Menu Language: English, Russian, French, Spanish, Portuguese, Fore more other languages, we are adding... 7x24 Technical Support Specifications: A:SC APC Connector / B:SC UPC Connector Color: As shown Material: plastic Package Contents: 1 * OTDR Fiber Tester 1 * English User Manual 1 * Cleaner 1 * USB Cord 1 * Carry Bag (The words on the product may vary due to different batches, but it will not affect the use) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.