Waterproof Keyfob for Door Access Control : 1 .Printing Printable with silkscreen 2 .EM4100,EM4120, ,TK4100,etc waterproof Proximity Keyfob for ... , blue, yellow, red, white and purple Printing Printable with silkscreen (no more than 2 colors) Printable with ink Jet numbering (various different numbering ...