This mini surface-mount is designed for versatility and ease of use. Its compact design allows it to be integrated into a wide range of electronic projects, from home security systems to creative toys. The produces a high-decibel sound that is sure to get noticed, making it an essential component for any DIY enthusiast. Features -Color:Black -Material:Plastic -Size:0.50X0.50X0.30cm/0.20X0.20X0.12in -Impedance: 12±2 -Working frequency: 4000 Hz -Portable mini buzzers: design mini buzzers that are small and portable, allowing you to create surprises anytime, anywhere -Entertaining prank toy: this special prank toy provides amusement and surprise for friends and family, enhancing social interactions - stability: ensures the product remains stable and great, offering consistent performance for all your pranks -Multi-scenario use: suitable for various events like parties, birthdays, and office pranks, adding a fun element to any occasion -Simple to use: easy to operate, making it great for individuals of all ages to enjoy and participate in the fun Package list: 4 x mini