Description High Decibel Electronic Buzzer Alarm 95 Decibel DC 3-24 V 12 V Continuous Sound Beeper Car Truck General Intermittent Alarm Description: 100% New High class quality and very durable_x000D_ The system turns on automatically when the car engine starts._x000D_ Beeping alarm prompt step bystep, closer the obstacle, more rapid the alarm sound._x000D_ Double CPU for rapid response._x000D_ High quality and easy to install._x000D_ Specification Color: Black_x000D_ Quantity:1 pc_x000D_ Alarm Diameter:22mm/0.86_x000D_ Alarm Height:10mm/0.39_x000D_ 2 Mounting Holes distance:30mm/1.18_x000D_ 2 Wires length:90mm/3.54_x000D_ Buzzer Type: Piezoelectric_x000D_ Sound Pressure Level 95 dB_x000D_ Rate Voltage: 12V DC_x000D_ Operating Voltage: 3 - 24V_x000D_ Max Current Rating 10mA_x000D_ Frequency 3900500Hz_x000D_ Drive Method: Drive Circuit Built in Mounting Holes_x000D_ Sound:Di Continuous_x000D_ Specifications: 100% New High class quality and very durable_x000D_ The system turns on automatically when the car engine starts._x000D_ Beeping alarm prompt step bystep, closer the obstacle, more rapid the alarm sound._x000D_ Double CPU for rapid response._x000D_ High quality and easy to install. Package Included: 1 x 95DB Piezoelectric Buzzer Alarm Notes: Duetothedifferencebetweendifferentmonitors,thepicturesmaynotreflecttheactualcoloroftheitem._x000D_ Comparethedetailsizeswithyours,pleaseallow1-3cmerror,duetomanualmeasurement._x000D_ Pleaseleavingamessagebeforeyougivethebadfeedback,iftheproductshavesomeproblems._x000D_ Thanksforyourunderstandings _x000D_