Effective immediately, Equustek Solutions Inc., as a testament to the reliability and robust nature of our products, is increasing the warranty for all products including DF1 ,DH+ Ethernet,Modbus RTU protocol converters to 5 years from the current 2 years. As indicated, this is effective immediately and includes all products sold within the last 5 years. As in any warranty, abuse or acts of God (lightning strikes etc.) are not warrantable. The warranty includes parts and labour but does not include shipping. Please contact us or the distributor from whom you purchased the product for a RMA number if you have a warrantable claim.