Car Parking Sensor Auto Reverse

MANUFACTURER SPECIFICATIONS GENERAL Detecting Distance: 0 – 2.5mUltrasonic Frequency: 40 KHz Sensor Self-Check Function System Alarm Working Temperature: -40 – 80 Degree Celsius Display Working Temperature: -20 – 60 Degree Celsius Power Source: Car Battery Rated Current: 20 – 200mARated Voltage: 12VOperation Voltage Range: 9 – 16VDIMENSIONSMain Unit  Dimensions: 89x59x22mm(L X W X D)Main unit Weight: 57gLED Display Dimensions: 98x25x25mm(L X W X D)LED Display Weight: 20g PACKAGE CONTENTS Car Sensor Kit LED Display4x Parking Sensors Drill Bit User Manual