Condition:-100% brand new，high quality.-Self-contained light head， no need to connect external flasher.-Super bright flashing light.-18 kinds of strobe flash modes.-Durable，waterproof，shockproof.-Good heat dissipation，built-in heat sink.Specification:-Light color: yellow+white(white，yellow color is also available，pls visit our store or contact us.)-Lighting Type:strobe-Number of LED in panel: 6-Voltage: 12V-24V-Power: 6W -Working Temperature:-40℃ to 40℃-Color Temperature:6000-7000K-Cable Length: about 73cm / 28.7 inch-Waterproof level: IP62Wires Introduction:-Red Wire: To +VDC (fuse@3A)-Black Wire: To Chassis Ground-Yellow Wire: Synchronization / Pattern Selector(Connect yelllow wire of all heads together for synchronization momentarily apply yellow wire to red for one second to change pattern.)-White and Gray: Alternating Pattern(to make light heads alternate connect the gray wire of the even number of heads to the white wire of the odd number of heads.)Flash Patterns:1.Random2.Single-Split4.Double-Split5.Quad-Split6.Accelerator-Split7.Quas Burst-Split8.Double/Accelerator-Split9.Quad/Accelerator-Split10.Single-All11.Double-All12.Quad-All13.Accelerator-All14.Quad/Single-All15.Pluse/Single-All16.Half Steady-117.Half Steady-218.OFFPackage Included:1 x 6 LED Car Emergency Light2 x Screws1 x Manual