DescriptionAre you looking for a set of professional, yet affordable car reversing alarm? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional car reversing alarm must meet you needs. It is one of the best choices for you.Features- Color: Black.- Material: ABS.- Size: 10 x 6 x 2.2 cm.- 4 sensor system, double CPU and advanced chipset for enhanced coverage and detection (0.3-2.5m).- Advanced chipset for enhanced coverage and detecting- Detect small objects and bars- Enable you to prevent dangerous and costly collisions- Provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle.Specification- Rate Voltage: 12V DC.- Detecting Distance: 0.3-2.5m.- Ultrasonic Frequency: 40KHz.- Control Box Working Temperature: -20-70 celcius.- Size of Sound Alert Indicator: Diameter 4.1cm x 1.6cm.- Length of cable of Sound Alert Indicator: 2.5m.Packing list1 x Main Control Box_x000D_1 x Sound Alert Indicator_x000D_4 x Parking Sensors_x000D_1 x Power Cable_x000D_1 x Hole Saw_x000D_2 x Double Sided Adhesive Pad_x000D_1 x User manual