MEETS CDC GUIDELINES HAS DATA LOGGING FOR VFC COMPLIANCE. THIS DIGITAL DATA LOGGER IS DESIGNED TO BE USED WITH REFRIGERATOR/FREEZER COMBINATIONS OR TWO UNITS ADJACENT TO EACH OTHER. IT ALSO FEATURES DETACHABLE DUAL PROBES VISUAL AND AUDIBLE ALARMS A F°/C° SWITCHABLE READOUT AND COMES WITH A 3-YEAR CERTIFICATE OF CALIBRATION. UP TO 3 YEARS OF DATA CAN BE STORED (30 MIN. INTERVALS) AND IS DOWNLOADABLE VIA USB DRIVE (NOT INCLUDED). FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" USB DIGITAL DATA LOGGER (DDL) COMPLIED TO THE CURRENT CDC VACCINE STORAGE MONITOR GUIDELINES 3 YEARS CERTIFICATION OF CALIBRATION ""BUFFERED"" PROBE IN THE PRODUCT SIMULATED SOLUTION °F/°C SWITCHABLE READOUT MIN/MAX HISTORICAL TEMP POINT DETACHABLE DUAL PROBE HIGH AND LOW TEMP ALARM VISUAL ALARM AUDIBLE ALARM OPERATION TEMP RANGE -50 TO 60°C (-58 TO 140°F) ACCURACY OF +/-0 .25° C READOUT RESOLUTION 0.01 LOW-BATTERY INDICATOR TEMP DATA DOWNLOADED VIA USB DRIVE (NOT INCLUDED) USER PROGRAMMABLE LOGGING INTERVAL (RECOMMEND NO LESS THAN EVERY 30 MINS) STORE UP TO 3 YEARS OF DATA (30-MINUTE INTERVALS) THIS DIGITAL DATA LOGGER IS COMPATIBLE WITH ABS REFRIGERATORS AND FREEZERS.