Heart-shaped design, a security alarm with a volume of 85dB. It's cute in light blue♪ It has a hook so you can attach it to a school bag. Also, there is a power switch on the side, which can be turned ON/OFF to prevent accidental activation. Although it is a new, unused item, the packaging has discolored as shown in the second photo due to home storage. Since it is unopened, the operation has not been confirmed. Please purchase only if you understand that it has been stored at home. - Model Name: Princess Buzzer Icing Cookie - Volume: 85 dB - Color: Blue - Design: Heart-shaped - Material: Plastic - Application: Crime prevention/Security - Brand Name: Asmix