In general, brake lights are brighter, more harsh, more warning. The taillight is just a very soft, normal light level.
Brake lights are high-brightness, will be more warning than wide lights, and even some LED brake lights are very dazzling. The normal lights look soft and unobtrusive. Brake Lights, generally installed in the rear of the vehicle, the main color of the red lights, so that behind the vehicle easy to find the vehicle in front of the brake, to prevent rear-end collision.
Taillights are usually red lights installed in the rear of a vehicle. They mainly refer to the amber lights used in the rear of a vehicle as a warning and direction indicator for the following vehicle, there are also auxiliary observation of the role of the reversing lights. According to the form, can be divided into independent, combined and composite taillights.