LED POST SL-BAR-LED207DS-AMBER 47" Amber 88W LED Emergency SIG Alert Hazard Warning Security Strobe Light Bar with Digital Controller (Rooftop) Number of blocks: 22 LED type: LED Voltage: DC 12V/24V Size (approx.): 47 inch x 8.5 inch x 1.5 in Package content: 1 x car LED light bar, mount clip, digital controller