The product is a lot of 17 Ciena B-700-1036-001 B OPT-SR1 1310nm SFP modules. These modules are designed for Ciena switches and routers, with each module providing a single port for 1310nm optical connections. Manufactured in Malaysia, these Enterprise-grade modules are reliable and high-quality for use in network setups that require a large number of SFP modules. With no manufacturer warranty, buyers can trust in the durability and performance of these products for their networking needs.