Product Detail Easy to Set Up - everything you need is in the box, no software to install. Simply connect your clock and access the interface via the web browser* Preset employee IDs allows for immediate clock IN/OUT No Internet connection required. Easy to Use - simple and intuitive time clock software. Homepage alerts direct payroll managers to any items needing attention. Easy for employees to view total hours and last punch at the clock Clock IN the Way You Want - 3 Digit PIN Entry, Proximity Badge Entry (optional) simply wave the proximity badge up to 3 inches from the clock to clock IN/OUTs Compatible works with all operating systems including; Mac, Linux, or Windows Vista Comes standard with serial, USB and Ethernet connection. Exports directly to QuickBooks Payroll and CSV file . The "Icon Time SB-100 Pro 2.0 Universal Time Clock" is best product for you. We recommended Icon Time SB-100 Pro 2.0 Universal Time Clock