LED POST SL-CIG-X4P-232-AMBER-WHITE Amber/White 25" 48W 48 LED Double Sided Hazard Warning Emergency SIG Alert Strobe Light Bar (Rooftop, Magnet Mount) Power: 48 Watts/100-110 LED Lumen Voltage: 12V or 24V Case Material: Aluminum + PC/Number of Blocks: 8 Flash Patterns: 15 kinds of flashing models (strobe and steady) Size (approx.): 24.5 in x 4.025 in x 2.5 in