Gourmandise Chiikawa Security Alarm CK-09A

The device makes a sound when you pull it. To stop the buzzer sound, push in the pin. Output volume: Approximately 85dB (measured at a distance of 1m in front) Continuous blowing time: Approximately 20 minutes (using a VINNIC CR2032 battery, tested at 25°C) Battery: CR2032 type x 2 (test batteries included)