☛HIGH PERFORMANCE Diecast Aluminum Housing & Ultra-thin design. 24 LED as light source, offers a super bright light output, can be seen on a bright clear day. ☛IPX-4 WATERPROOF Integrated heat sink, and anti-condensation drain port Waterproof and dust-proof, and corrosion-resistant Designed to withstand harsh weather conditions Shock and vibration resist ☛18 STROBE PATTERNS Built-in flasher, 18 select-able flashing patterns; Last pattern recall/memory function. ☛HOW TO CONNECT 3 wires connection; Free Screws &Protection Pad to Attach to The Grille or Bumper. Yellow for Flash Pattern Switch (Touch Positive wire to switch patterns) Red for Positive Black for Negative ☛EASY TO USE The built-in heat sink, Compact, and lightweight, easy to use ☛APPLICATIONS Universal 12V-24V, Fits for any public utility vehicles, construction vehicles, tow trucks, snowplows, emergency medical vehicles, ambulances, oversize load vehicles, slow vehicles ☛SPECIFICATION Type: Strobe Flashing Light Bars LED Type: 3030 Number of Chips : 24pcs/Bulb Number of Bulbs: 2 Color: Amber/White Patterns: 18 Different Flashing Patterns Voltage: 12-24V Power: 72W (3W/LED) Waterproof Level: IPX-4 Lifespan: 50,000 hours Material: Diecast Aluminum Housing + PC Lens Size: L 7.48" (190mm) W 1.1" (27mm) H 0.4"(11mm) Placement on Vehicle Front, Rear, Left, Right Application: for Signal light, Daytime running light, Fog light, etc. Application: for Construction, Towing, Slow-moving Truck Application: for Vehicle, Auto Car, Pickup, Truck, SUV, ATV, UTV, Trailer Fitment Type: Direct to replace ☛PACKAGE INCLUDED 2 X 24 LED Emergency Flashing Light Bars Amber White 2 X Protection Pad 4 X Screws