ITEM NAME:DC 12V 120dB Active Electronic Buzzer Beep Tone Alarm Ringer Descriptio n Description: 100% brand new and high quality. Fine workmanship and long service life. Easy to use and durable in use. Plastic Housing, terminal design is convenient to connecting. An ideal item for industrial use. Specifications: Product Name: Buzzer Sound-Making Type: Continuous Sound Rated Voltage: DC 12V; Rated Current: 350mA Harmonic Frequency: 3000 +/- 500Hz Sound Decibel: Greater Than Equal 120dB Overall Size: 6.4 * 5.5cm/2.6" * 2.2"(L*D) Mounting Hole Diameter: 5.5cm/2.2" Wire Length: 90cm /35.4" Color: Black, Red Material: Plastic Package Included: 1 *Â Continuous Sound Decibel Piezo Buzzer Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! DC 12V 120dB Active Electronic Buzzer Beep Tone Alarm Ringer.Sound Decibel: Greater Than Equal 120dB. 1 Continuous Sound Decibel Piezo Buzzer. Harmonic Frequency: 3000 +/- 500Hz. Sound-Making Type: Continuous Sound. Color: Black, Red. We want to make sure you are happy with our item.