DescriptionThis item is a electromagnetic alarm buzzer, well made of premium material, this item is durable and practical use. Designed 5V input voltage, which is an product for industrial use. The buzzer features low voltage, low power consumption and high voice pressure.Features- Color: Black. - Material: ABS. - Size: About 1.50X1.00X1.00cm/0.59X0.39X0.39inch. - 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 12 practical buzzers in total, enough for you to use.