【Specifications】 Material: AL+ABS+PS Light source: 2*16pcs LEDs Light Color: Yellow and Red Light Color Temperature: 2000-4000k Body Color: Silver Voltage: DC12V-24V Lifetime: 5000 hours Package Size: 14*8*15cm. Package Weight: Approx. 500g Connection method: Black wire is negative, red wire is red brake light, yellow wire is yellow reverse light,green wire is running light; Applications: it's ideal for Vehicles with 12/ 24V System, Like Truck, Trailer, RV, Caravan Etc. Package Included: 2x Trailer Rear Tail Lights