Compatible: Fiber Type:Single Mode Connector Type:SC or Model Number:-80 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. 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 and3 Input: DC 9V or 1000mA Resolution (dB): Linear 0.1percent or Non-linear 0.01dBm Connector: SC, FC, or Universal 2.5mm Adaptor Operating Temperature(Celsius): -10 - and60 Storage Temperature(Celsius): -25 - and70 Relative Humidity: 90percent (and30C) Working Hours: 48 hours Size: 190mmx100mmx48mm or 7.48inx3.94inx1.89in colour:blue Material:plastic Package Contents: 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.