2 pcs Electronic Accessories:1 x Visual fault locator & 1 x Optical Power Meter A reliable fiber optic power equipment is quite important in the era of high bandwidth. This hand held optic meter could help to inspect cables capabilities, calculate relative power loss, locate the fault and troubleshooting. pen shape design,convenient to carry and field test.Stable power output,low power,outstanding performance.CW and glint mode switchable,aluminum alloy enclosure. Easy identification of fiber break,bend,you can the fiber layer Widely used infiber optic transmission,network maintenance and optical fiber test instruments.This visual fault locator is used to check fiber breakage,bending failure location. Compatible: Fiber Type:Single Mode Connector Type:SC/ Model Number:-80 We dedicate to providing customers with practical fiber tools, which means that you have an affordable choice for the functional and constructive optic meter. Calibrated Wavelength (nm): 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm Detector: InGaAs Measurement Range (dBm): -70 to +3 Input: DC 9V/1000mA Resolution (dB): Linear 0.1% / Non-linear 0.01dBm Connector: SC, FC, / Universal 2.5mm Adaptor Operating Temperature(Celsius): -10 - +60 Storage Temperature(Celsius): -25 - +70 Relative Humidity: 90% (+30C) Working Hours: 48 hours Size: 190mmx100mmx48mm/7.48inx3.94inx1.89in + 19.5 x 7 x 3cm colour:blue & Black Material:plastic +metal Package Contents: 1 x Visual fault locator 1 x Portable strap 1 x User manual 1 x Optical Power Meter Only the above package content, other products are not included. Note: Light 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.