*Multi-Colored LCD screen
*Intelligent, wide design display
*"BiBi..."voice Stage-by-stage alerting
*Any color sensor available
*4 rear sensors (6 or 8 sensor for option)
*Anti-freezing, waterproof, working well under -35 C

Technical Details:  
*Working voltage: DC12V +/- 2V        
*Power Input: 5W(max)  
*Beeper: 80dB
*Working temperature: -40~+80 C
*Frequency: 40KHz
*Detection distance: 0.4-2m.