Gourmandise Pokemon Security Buzzer Gengar POKE-918C

When you pull the main body, a sound will be heard. To stop the buzzer, push in the pin. Output volume: Approximately 85 dB (measured 1 m ahead) Continuous blowing time: Approximately 20 minutes (using VINNIC CR2032 battery, test temperature 25℃) Battery: 2 x CR2032 (test batteries included)