DescriptionThis item is a mechanical vibration buzzer, well-made of premium material, this item is durable and practical use. An product for industrial use. The buzzer features low voltage, low power consumption and high voice pressure. The set includes 5pcs, which can greatly meet your different needs.Features- Color: Black.- Material: Plastic.- Size: About 3.50X1.70X1.50cm/1.38X0.67X0.59inch.- The buzzer is well-made of premium material, this item is durable and practical use.- The buzzer features low voltage, low power consumption and high voice pressure.- Widely used in computers, printers, photocopiers, alarms and electronic toys.- The compact and lightweight design is very convenient for us to carry and store.- There are 5 practical buzzers in total, enough for you to use.