12V 95dB Active Buzzer, High-Decibel Electronic Buzzer, Beep Alarm, Intermittent or Continuous Sound, for DIY Projects Feature: - Designed for use with radar systems; activates automatically when the vehicle engine starts. - Progressive beeping alarm: sound frequency increases as obstacle proximity increases. - Dual CPU for fast response. - High-quality construction and easy installation. Specification: - Type: Backup Alarm Horn - Color: Black - Alarm Diameter: 22 mm (0.86 in) - Alarm Height: 10 mm (0.39 in) - Mounting Hole Distance: 30 mm (1.18 in) - Wire Length: 90 mm (3.54 in) - Buzzer Type: Piezoelectric - Sound Pressure Level: 95 dB - Rated Voltage: 12 V - Operating Voltage Range: 3–24 V - Current Rating: 10 mA - Frequency: 3900–5000 Hz - Mounting: Built-in mounting holes - Sound Mode: Continuous - Quantity: 1 Piece Note: - Please allow for a 1–2 cm measurement tolerance due to manual measurement. - Monitor settings may cause slight color variation between the image and the actual product. Package Includes: - 1 × 95 dB Piezoelectric Buzzer Alarm