Features:  1. Work on 24V power supply.  2. Easy install, mounting includes screws and nuts.  3. Waterproof, shock & vibration proof, UV resistant.  4. High quality and durable, long life and low power consumption.  5. Fit for most truck, UTE, trailers, caravans, campers, buses, van etc.     Specification:  Product Name: Flowing Trailer Truck Tail Light.  Material: ABS+PC.  Light Color: Red,Yellow, White.  Length: 33cm / 41cm /46cm.  Voltage: 24V.  Service Life: ≥50000h.  Placement on Vehicle: Rear, Left, Right.  Functions: Tail/Brake Light, Indicator Light, Reversing Light,Fog Light.  Qty: 2pcs/pair.  Wiring Connection:  Black: Negative.  Yellow: Running water turn signal (Yellow).  Brown: Steady on turn signal.  Red: Brake Light.  Blue: Blue + Green Flash light.  Green: Driving Light.  White: Reversing Light.  Note: Only the long 46cm has a license plate light on the left     Note:  1. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.  2. Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm) 3. There are no instructions included in this kit.If you want to know how to use or install it,please contact us by Email.We will provide help as much as possible.     Package Includes:   2 Piece Trailer Light (Left & Right) Screws Included