CDVI has a variety of proximity cards and tags available, and with different technologies (125khz or MifareTM). You can choose between regular clamshell cards, mini PVC sticky tags, ISO printable cards and much more! CDVI cards and tags are robustly made and available at very competitive prices. You can also customize our CDVI cards and badges with your own company logo; simply ask one of our representatives for more details.Main FeaturesCDVI 26-bit Wiegand format125 kHz proximity cardPolycarbonate tag6? (L) x 1.3? (H) x .16? (D) (40 x 33 x 4 mm)Sequentially generated decimal card numbers (printed on each card)Comes in packs of 25General InformationName: CDVI KTAG25 Black Key Ring Badge, 25-Pack, CDVI Group, CDVICategory: CDVI, Access Control, Credentials, Key FobsUPC Code: 303010000252Country of Origin: China. Country of origin is subject to change.