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 Box1 x Sound Alert Indicator4 x Parking Sensors1 x Power Cable1 x Hole Saw2 x Double Sided Adhesive Pad1 x User manual