Xantech 28DES Shield Cover (Discontinued by Manufacturer) Xantech New Design Mouse Emmitter Shield Xantech 28DES Shield Cover Xantech Corporation Shield cover for Designer Emitters Effective for covering component IR eyes for IR Fits over both the Xantech Designer Emitter body and the IR sensor window of a controlled component Prevents IR from the Designer Emitter from radiating backwards into the IR sensors of other components Opaque Black