1. Use high-quality LED lamp beads, low power, high brightness, environmental protection and energy saving 2. Consistent with the original car, no need to change any lines during installation, directly replace the old lights or install in any position you like, suitable for all truck models 3. Waterproof, shockproof and dustproof 4. Suitable for boat trailers, RVs, trucks, etc. 5. Parameters: Voltage: 12-30V Power: 12W Applicable: trailer cars Installation hole distance: 4CM Installation method: black wire connected to the negative pole, yellow wire turned to yellow light, red wire brake high brightness red light, green line driving low brightness red light, white line white light