... ~4days 3.Certificate: SGS,ISO 9001:2000 mifare smart card readers Supports : ISO14443A / B , ISO15693Chip : Mifare 1K , Mifare 4K , Mifare Ultralight ... entigrade to 85 centigradeInterface : USB / RS 232 Avaliable ( Upon Request )Reading Range : Up to 15 cmSystem : Windows 98 , 2000 , ME , NT ...