Toshiba RAC-WK1823ESCWRU User Manual page 32

WARNING: Chemical Burn Hazard. Keep batteries away from children.
This product contains a lithium button/coin cell battery. If a new or used lithium button/coin cell battery is swallowed
or enters the body, it can cause severe internal burns and can lead to death in as little as 2 hours. Always completely
secure the battery compartment. If the battery compartment does not close securely, stop using the product, remove
the batteries, and keep it away from children. If you think batteries might have been swallowed or placed inside any
part of the body, seek immediate medical attention.