Cautions before using Carbon Dioxide Monitor:
1) If you need to monitor and record at night, please keep the battery charged or make sure the battery power is sufficient.
2) When the battery level shows " ", please charge the battery promptly, the instrument can be used continuously for about four hours when fully charged.
3) When the instrument alarms, the measured value exceeds the alarm value set by you, please take appropriate measures to protect life and property.4) The lithium battery is not recommended to be disassembled, if it is to be disassembled or replaced, please keep it in a safe place to avoid explosion caused by high temperature, high voltage, short circuit or impact.
