10GBASE-LR SFP+ to LC Optical Gigabit Ethernet transceiver module, Single Mode 1310nm LC duplex connector DDM 10km ^^ Wide Compatibility - Compatible for Arista SFP-10G-LR and Other Open Switches ^^ 10GBase-LR SFP+ Transceivers modules supporting data rate of 10Gbps and 10km transmission distance with SMF. Compliant, SFP Transceivers Multi-Source Agreement and SFF-8472 digital diagnostics functions, Compliant MSA ^^ Easy to Use - Easy installation, plug and play, fully hot-pluggable. Widely used in fiber switches routers NIC server or other fiber optic equipments with 10Gb SFP+ ports ^^ 3 Warranty - Enjoy Fibermall 30-Days Free-returned, 65-Days Free-replacement 5-Years Free-maintenance Fibermall supports regular custom service for your options