Non-standard color shell for Rx40 readers with retrofit (for iCLASS™, multiCLASS™, iCLASS™ SE and multiCLASS™ SE readers). Standard colors available: (W) White / (S) Stainless / (B) Matte black / (G) Green / (Y) Yellow / (BL) Blue / (MG) Metallic gold / (R) Red / (SB) Brown satin / (CG) Charcoal gray.