The card and in the combination are the default empty command products. If it is necessary to test readings and writing Then please use the replicator to read the complimentary label, and then write it into the readable and writable card and ,Requirements 2 knots 1.5V AAA batteries.Small size,light weight(56g),convenient for flow of work, on-site copy.The machine can copy on the market parking on cards, access cards, switches cards,including small button-type, shaped cards.Can be reused, proximity cards can use an unlimited number of times,Please note that the product chips defaults to a blank instruction. If writing is required, read the 125 khz device instruction first, and then write it to the corresponding or card.Replicator features is super,forced those cards which can only copy one time to be used many times in the host.Colour:As ShownMaterial:plasticPackage Contents:1 * Handheld ID Copier6 * black T5577 buckles6 * T5577 CardsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.