Description Active piezo electronic buzzer supports DC 3-24V wide voltage power supply. With 2-wire pigtails, just connect to any power supply from 3 to 24 Volts. Complete drive circuit incorporated for direct operation from DC power source. Features - Color: Black - Material: PPO - Size: 2.20 x 2.20 x 1.00 cm / 0.86 x 0.86 x 0.39 in - Active piezo electronic buzzer supports DC 3-24V wide voltage power supply - With 2-wire pigtails, just connect to any power supply from 3 to 24 Volts - Complete drive circuit incorporated for direct operation from DC power source - Widely used in car modification, electronics reminder projects, or other applications requiring sound alarm - Manufactured with professional technology to ensure product quality and long-term operation Specification - Rated Voltage: 12V - Voltage Range: 3-24V - Rated Current: 12mA - Sound Output: 85dB - Resonant Frequency: 3000500Hz - Operating Temperature: -20C to +45C - Storage Temperature: -20C to +60C Package List 3 x Active Piezo Buzzers