Battery 3V GPCR123A Lithium S4992B

Long life lithium batteries. CR123A type.
MSDS

KEEP OUT OF REACH OF CHILDREN

This product poses a serious health hazard if swallowed. If swallowed you must go to emergency immediately.
Swallowing can lead to chemical burns, perforation of soft tissue and death. Severe burns can occur within 2 hours of ingestion. Seek medical attention immediately.