It is jointing fiber with fiber pigtail and protecting fiber optic splics and helping to distribute Technical Index;1.Work temp. range :-5oC-40oC2.Humidity:below 30oC3.Pressure :70Kpa-106Kpa4.Working wavelength :850nm,1310nm,1550nm5.Rank mount , wall mount,. suitable for simplex and Duplex , different adapter terminal box