Special Features:/ Material Type:/ Model Name:/ Item Type:Multi-tone & Claxon Horns Color:Black Quantity:1 pc Alarm Diameter:22mm Alarm Height:10mm Rate Voltage:12V DC Operating Voltage:3 - 24V Frequency:3900500Hz Sound:Di Continuous Feature 1:Intermittent Continuous Beep Car Accessories Feature 2:Electronic Buzzer Beep Alarm Feature 3:Piezo Electronic Buzzer Feature 4:Beep Tone Alarm Ringer Feature 5:Alarm Ringer Continous Sound Feature 6:Buzzer Electromagnetic 1~10PCS 3-24V Piezo Electronic Buzzer Beep Car 95DB Alarm Ringer Continous Sound For Auto Car Accessories Description: 100% High class quality and very durable The system turns on automatically when the car engine starts. Beeping alarm prompt step bystep, closer the obstacle, more rapid the alarm sound. Double CPU for rapid response. High quality and easy to install. Specification Color: Black Quantity:1 pc Alarm Diameter:22mm/0.86" Alarm Height:10mm/0.39 2 Mounting Holes distance:30mm/1.18" 2 Wires length:90mm/3.54" Buzzer Type: Piezoelectric Sound Pressure Level 95 dB Rate Voltage: 12V DC Operating Voltage: 3 - 24V Max Current Rating 10mA Frequency 3900500Hz Drive Method: Drive Circuit Built in Mounting Holes Sound:"Di" Continuous Specifications: 100% High class quality and very durable The system turns on automatically when the car engine starts. Beeping alarm prompt step bystep, closer the obstacle, more rapid the alarm sound. Double CPU for rapid response. High quality and easy to install. Package Included: 1 x 95DB Piezoelectric Buzzer Alarm Notes: Duetothedifferencebetweendifferentmonitors,thepicturesmaynotreflecttheactualcoloroftheitem. Comparethedetailsizeswithyours,pleaseallow1-3cmerror,duetomanualmeasurement. Pleaseleavingamessagebeforeyougivethebadfeedback,iftheproductshavesomeproblems. Thanksforyourunderstandings