4 sensors rainbow LED display  auto electromagnetic parking sensor(RD036C4)     Specifications:1.Screen type:Digital tube2.Display size:100x20x18mm3.Power(DC):+9~+15v4.Power dissipation(Max):5W5.Work temperature:-40°C~+80°C6.The distance of alarm:2m~0.3m7.Alarm volume:83dB8.Buzzer built-in type9.Sensors: 4 Sensors system 

4 sensors rainbow led parking sensoring auto electromagnetic parking sensor(RD037C4)