HQRP Emergency Traffic Director White/Amber Light Bar Strobe 32 LED 8 Modules for Warning and Maximum Visibility + HQRP UV Meter HQRP&reg; 32W LED Light Strobe Bar plus HQRP&reg; UV Meter; 32 LEDs, 4 LED / 1 Module, 4W / 1 Module, 8 Modules; Dimension: 35.5"L x 2"W x 2.75"H; Working voltage: DC 12V; 8 Flash Patterns; Push button and On/Off switch; 200 days warranty!