DIY Wireless Parking Sensor

Name: DIY Wireless Parking Sensor (2 sensors) Model: BK-DIY608 · Buzzer inside the controller box · Powered by AA batteries or plug into cigarette lighter · Stage-by-stage sound alarm · Sensor color optional · Human voice alarm (option) · Anti-freezing, rainy-proof design, work well under extreme cold weather · Easy installation(DIY) Technical Specification: Working Voltage:DC12V±3V AA Battery: 4.5V(3 pieces of AA batteries) Input:0.5(MAX) Alarm Distance: 1.0m-0.0m Farthest