Datamine 620D time recorder is most economic time clock for all type of company. We do supply all type of time recorder punch/time card, ribbon and card rack with reasonable price. We have more suitable budget / economic time clock machine for your company. Traditional time clocks is simple to operate and easy to maintain. Small business 6 or 4 column time clock for employees punch IN/OUT. We have small/medium/heavy duty electronics time clock punch card machine for employees working hour’s calculation. Singapore punch card time clock machine Punch card machine/clock/recorder and supplies Datamine provide paper card time clock machine for employees. Auto check of time card (if reverse) >Built in battery up to (8 hrs) >Auto Adjusting of time >Digital.