Features: OOTDTY fresh and excessive quality. External material: ABS plastic, durable. Rated current: 2mA, Working for DC 30V, Frequency: 4000+/-500Hz. It is broadly utilized in automobile modification, DIY digital reminder assignment or different fields that require sound alarm. Equipped with black and purple 2 wires, useful for wiring. Specifications: Material: Plastic Weight: Size: As photograph reveals Color: Black Package Includes: 1x Electronic Buzzer Note: 1 allow 1-2cm errors thanks to guide measurement, just be sure you don't intellect before you order. 2 to the variation between various monitors, the picture might not mirror the actual colour of the item.