... ROHS certificates Product name: LCD display parking sensor system with 2/4/6/8 sensors optionalItem No. Alarm Voice Number of sensorsBY ... rear sensorsBY-01D804-6 Bi-Bi/Human voice 4 rear sensors, 2 front sensorsFeatures: ·Intelligent, all-dimensional broad screen LCD display ... sound alarm·Optional sensor style and color·2/6/8 sensors system in option·Anti-freezing, rainy-proof design, work well under ...