Features: Use high quality LED lamp beads,low power ,high brightness ,energy saving and environmental protection. Easy to install ,directly replace the original traditional lights. Energy saving,low power consumption, low temperature,waterproof,anti-shock& anti-vibration. Function as STOP, TAIL, INDICATOR, REVERSE. Fit for Trailers, Trucks, Semi-trailers, Tractor, Utes, Boat,Caravans, etc. Specifications: Product Name: Trailer Tail Stop Light Material: Plastic Waterproof: IP65 Voltage: 12V/24V Led Quantity: 10LEDS each light Dimensions: Approx.158mm x 80mm x 30mm (6.22" x 3.15" x 1.18") Wire Length: Approx. 350mm (13.7") Distance between mounting holes: 10cm Placement on vehicle : front / rear / left / right Quantity: 1 Pair Wire Connection: Black - Negative Red - Brake Light Green- Tail Light Yellow - Turn signal light Packagage included: 2 x Tail Light Note: 1.Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm). 2.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. 3.There is no instruction included.Professional Install is Highly Recommended!If you would like to know how to install,please contact us by email.