Reusable temperature and humidity logged ($30). Says 200 day storage. Though battery reports low after 3 days in freezer. Uses large coin cell.
Hold the "start/status" button for 5 seconds to start logging. Generates a PDF report and CSV file when plugged in as USB drive. Note, it's USBA and bulky so you might want use an extension cable.
Freezer test - Sept 27-30 2024
Placed on top shelf of old 1980s GE freezer near door for 3 days. Battery reported low when taken out.