1, chrome metal surface 2, Colorful LED screen 3, stage by stage sound alarm 4, anti-freezing, rainy-proof Features: 1, Intelligent, all-dimensional broad screen LCD display. 2, Colorful LCD screen. 3, Stage-by-stage sound alarm4, Optional sensor style and color5, 2/4/6/8 sensors system in optional6, Anti-freezing, rainy-proof design, work well under extreme cold weather7, Chrome plated cover of ...