***** **********Best Quality Guranteed.*****LKV373A Version 3.0 ,works with LKV373A Version 3.0 120m HDMI extender kit only*****Please check the version for your sender(transmitter), if your sender is version 2.0, please do not buy it*****Supports up to 1080p (1920x1080) resolution,Extends the HDMI signal up to 390ft/120m*****Works with Cat5 / Cat5e / Cat6 / Cat7 ethernet cable following the standard of IEEE-568B*****We stand by our products 100% with a 12-month warranty