... Months Warranty Various models Defective rate:<0.2% LED Display Parking SensorSpecifications:1)Rated Voltage:DC12V;2)Operating range:DC9V ... -18V;3)Rated current:20mA-200mA;4)Display distance:0.3-1.8m;5)Ultrasonic frequnency: ... thin rear mirror only 5mm 3)Numeral and color LED display 4)Step-up buzzer alarm 5)Left and ... .5cmPayment methodPaypal,Western Union,MoneyGram,T/T LED Display Parking Sensor