Pyramid TimeTrax 42468 Proximity Key Fobs for PPDLAUBKN & TTPROXEK Time Clock Systems Genuine Pyramid Proximity Key Fobs for PPDLAUBKN & TTPROXEK Time Clock Systems Instantly records employee arrival time, breaks, lunches, and departure times by waving fob near time clock terminal RFID proximity technology Employee number displays on time clock terminal screen to confirm punch is registered Eliminates paper time cards and time sheets; transferable to new employees Conveniently attaches to key ring 5 per pack