Features :【Independent Design】: AUXBEAM newest series rooftop strobe beacon light will make your vehicle distinctive. Unique pattern appearance, and upgraded strong robust design. Durable ABS housing, anti-scratch PC lens. Enclosed design that withstands harsh weather conditions.【Perfect Bright】: This emergency flashing light bar has a total of 56 high-power 3W LED chips. Crystal clear lens for max brightness, visible day and night. Great for law enforcement cars, plow trucks, construction vehicles, tractors, security, snowplow, postal, mail carrier, and city service workers, to warn of potential hazards.【Traffic Advisor Function】: Provides caution to potential upcoming hazards.Easy to switch between 20 different strobe flashing modes for quick respondent ever times.These light modes will be controlled by the switch Panel A（It has left,right and both flashing functions,flash alternately and favorite (choose to your favorite mode, hold down FA for three seconds,and you will remember this mode,Every time you press this button, you will jump straight to this feature）, and there will be a corresponding light mode display and mode number display on the switch panel A.【Easy Installation】: Mount to any rooftop with heavy-duty adjustable mounting brackets with 4 protective rubber feet. Specification:Product Size：31.5 inchLight Mode：20 PatternWorking Voltage: 12V-24VLight Power&Lumen：168W & 16800LM（Steady light condition）LED QTY：56LED（Double Row x 6 Groups x 4 LED+Two Side x 4 LED）LED Chips：3030 Chip, 3W/LEDLight Color：AmberMaterial: Die-cast Aluminum Shell,Hardened PC CoverWaterproof：IP67+Lifespan: Over 5000 hoursCable Length: 5m/16.4ftSwitch Panel：YesConnection：Power Line Access BatteryInstallation： Bracket InstallationLighting Control：Switch PanelSurface Treatment：The top and bottom add black spray oxidation process, which differs from the market simple plating silver.Packing Included:1 X LED Rooftop Strobes Beacon Light