Check the listing for details. Berlinger Fridge-Tag2L Vaccine Monitoring System VFC User Programmable Backup. Condition: New. Listed at 169.00 USD. Berlinger Backup FridgeTag 2L Vaccine Data LoggerAlarm Programmable for Vaccine Fridge & Freezer MonitoringPart Number: FRIDGE-TAG2L-BKUP±0.5°C (±1.0°F) AccuracyProgrammable High and Low Alarms2 Year Non-Replaceable BatteryElectronic Signature on Files to Meet FDA 21 CFR Part 11Includes a NIST traceable calibration certificate, compliant to ISO/IEC 17025:2005Unless otherwise stated by the customer the calibration interval will default to the manufacturers recommendation of 2-YearsCan be used as a Primary or Backup Data LoggerMeets 2018 CDC & VFC (Vaccines for Children) Program Recommendations for Safe Vaccine Storage & HandlingIncludes Attached USB Plug, CR-2032 Lithium Battery, 1.5M External Sensor with Glycol Buffer Vial and 2-Point ISO Traceable Calibration Certificate Once logger has been started it is not eligible for return!!!!