1.Colorful LCD Display with plated metal surface.                                    
2.Natural human voice+Buzzer Type with on-off switch.                                   
3.Dual CPU, 4 sensors system.
4.Obstacle orientation indication. 
5.Operating voltage rating: DC12V.
6.Max power: Pmax<5W.
7.Operating temperature: -40℃~80℃.
8.Display Distance: 0.40m~2.00m.
9.Alarm Distance: 0.30m~1.54m.                
10.Alarm voice: >80dB.
11.Ultrasonic frequency: 40KHz.             
12.One year warranty.