DescriptionAre you looking for a professional, yet affordable reverse radar? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional reverse must meet you needs. It is one of the best choices for you.Features- Color: Black. - Size: 24 x 16 x 4 cm. - Material: ABS. - Current: 200mA - Input Power: 12V DC - Working temperature: -30 ~ 70C - Voice Alarm:> 80dB - Ultrasonic frequency: 40 KHz - Sensor detection range: 0~ 2.0 m - Diameter of sensor:16.5mm - 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. - Anti-freeze and rain proof, durable.