Amber/White Emergency 18 LED Super Bright Warning Strobe Light Bar Magnetic Base Mount 54 Watts 24" Power: 3W / LED, 18LED Case Material: Aluminum + PC Lumen: 300 lumen / LED Voltage: 12V / Dimensions: 24" x 1.5" x 1.9" Flash Patterns: 15 kinds of flashing models (strobe and steady)