We are offering electronic time clock. Hi-efficiency user friendly programming extensive durability.Two colors printing shows date and time by dot-matrix 9 pins printer.Standard inout 6 columns printing.Day light saving time function.Auto delivery time card inout within card slot. Music melody and external bell alarm connection equipped.Made in taiwan. Featureslarge digital clock dial for easy view and setting.quartz crystal accuracy and perpetual calendar to assure correct month adjustment.two-color printing shows date and time by dot-matrix 9-pin printer. The extra printing speed of 35 times per minute in average.internal lithium battery guarantee data memory reserved within 3 tears, ni-cd rechargeable battery maintains printing available during power failure.standard inout 6-column printing can be selected as auto-shift or manual.with selectable day line change time to meet specific schedule.auto delivery time card inout within card slot.auto detecting right side of time card programming.function of monthly or weekly wage can be changed at option.music meody and external bell alarm connection equipped.each day of the week can be programmed independently within a week.24 sets of color music column for max. Flexibility to various work schedules.compact, smart design suitable for office & factory use.Specificationpower rating: 110v-120v (or 220-240v)printing speed: 35times per minute (maxim)dimensions: d 11 x w 18 x h 22cmnet weight: 2.3kgs (ut6600)ambient: -10c 40ccondition: 10% 80%, rh