Description: Product: Electromagnetic Active Buzzer Material: LCP Rated Voltage: 5V DC Operating Voltage: 3V-7V DC Rated Current(max): 30mA Specification: Sound Pressure Level(min): 80dB Fundamental Frequency: 2700Hz Operating Temperature: -30?~70? Storage Temperature: -40?~80? Drive Mode: Electromagnetic Type Active or not: Active Diameter: 9mm/0.35inch Height: 5.5mm/0.22inch Pin Length: 5mm/0.2inch Package Includes: 1 Piece Electromagnetic Active Buzzer Note: The above size is measured by hand, please allow slightly difference. Thanks !