Check the listing for details. Onset InTemp CX402 VFC Vaccine Bluetooth Temperature Data Logger. Condition: New. Listed at 179.00 USD. InTemp Vaccine Monitoring Data LoggerPart Number: CX402-VFCxxxExternal Sensor for Vaccine Monitoring of Refrigerators and FreezersWireless Transmission of Recorded Readings to Smart Phones and Tablets Using Bluetooth Smart LE Communications±0.5°C Accuracy in a -22°C to 50°C Measurement RangeUser-Replaceable Lithium Battery with 1 Year Typical Life (1 Minute Sampling Rate)Stores up to 84,650 Measured Readings with Date/Time Stamp if Bluetooth Communications Not AvailableLCD Display Showing Current Readings and Audible/Visual AlarmsIncludes a NIST Traceable Calibration Certificate, Compliant to ISO/IEC 17025:2017Unless otherwise stated by the customer the calibration interval will default to the manufacturers recommendation of 3-YearsData Loggers are Calibrated for Both Fridge (5°C) and Freezer (-15°C) UseAvailable in 2 or 4 Meter Temperature Probe Lengths and 5, 15 or 30 ml Glycol Solution BottlesCan Be Used as Either Primary or Backup Data LoggerMeets 2018 CDC & VFC (Vaccines for Children) Program Recommendations for Safe Vaccine Storage & HandlingIncludes Glycol Bottle and NIST Traceable Calibration Certificate. InTemp and InTempConnect Apps Available on the Apple and Android Stores