fashionable Buzzer parking sensor (SP303-4)

?Digital LED showing obstacle distance
?Alarm by Bi-Bi sound
?LED display with three colors (red, yellow and green)
?Crescent shape digital display screen
?Turn on/off the voice according to your desire
?All kinds of sensor colors and styles are available
?High quality and easy to install
?Technical parameters:
o Rated voltage: 12V DC
o Operating range: 10.5V - 16V DC
o Rated current: 50mA - 180mA
o Detecting distance: 0.3 - 2.0m
o Ultrasonic frequency: 40KHz
o Working temperature: -30 to +70 deg. C