The product is a lot of two Ubiquiti 10Gb/s 300m 850nm Multimode SFP Transceivers. These transceivers are designed for use in high-speed network connections, with a maximum data rate of 10 Gbps. They are specifically designed for SFP network ports and are ideal for enterprise networking setups. With the Ubiquiti Networks brand reputation, these transceivers ensure reliable and high-quality performance for your networking needs.