Lathem Optional Backup Battery for 6000E Electronic Payroll Recorder 6000E Electronic Payroll Recorder, Backup Battery, Replacement Ribbon Drop in the special time card; punches are automatically aligned in six columns for in, out, break, and overtime. Use two-color printing to highlight tardy arrivals and early departures. Built-in relay allows synchronized signaling of external bells and horns. Never needs resetting; internal lithium battery keeps time and settings during power outages for up to five years. Automatic date and daylight savings adjustment. Large analog display. Digital date display on top. Recorder works for 24 hours when used with Optional Backup Battery LTH-VIS6010 (sold separately). Manufacturer’s one-year warranty. Optional Backup Battery For Model 6000E Electronic Payroll Recorder (LTH6000E), sold separately. 24-hour UPS.