Henry Schein CardioChek Starter Kit, Reference Number 4060 HS, 570-1036
One brand of batteries have a small dimensional difference in the negative button terminal, which, when the batteries are inserted incorrectly, can create the possibility for the battery terminals to make reverse contact. This reverse contact can cause a potential for overheating.
The products were distributed US Nationwide. The products were distributed to the following foreign countries: Australia, Austria, Belgium, Bermuda, Canada, China, Chile, Costa Rica, Cayman Islands, Czech Republic, England, Finland, France, Germany, Greece, Hong Kong, India, Iraq, Italy, Jordan, Lebanon, Lithuania, Mexico, Morocco, Panama, Philippines, Poland, Qatar, Romania, Saudi Arabia, South Africa, South Korea, Spain, Sweden, Switzerland, Trinidad, UAE.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0834-2020