great for prank toys and electronic projects, this mini surface-mount buzzer offers a high-pitched, attention-grabbing sound. Its small size makes it easy to incorporate into various devices, while its reliable performance ensures consistent results. Use it to enhance your home security system, create fun party games, or add sound effects to your DIY gadgets. Features -Color:Black -Material:Plastic -Size:0.50X0.50X0.30cm/0.20X0.20X0.12in -Impedance: 12±2 -Working frequency: 4000 Hz -Compact and portable: create mini buzzers that are compact and easy to carry, great for creating surprises on the go. -Joyful prank toy: this unique prank toy brings joy and laughter to friends and family, enhancing social interactions. -great and stable: ensures the product is stable and , providing reliable performance for all your pranking needs. -Versatile applications: ideal for various settings such as parties, birthdays, and office pranks, adding excitement to everyday life. -Easy to operate: simple to use, making it suitable for people of all ages to enjoy and have fun with. Package list: 8 x mini buzzer