Brand new and high quality

• This controller box enhances your brake lights with 2 patterns when braking.
• Brake lights blinks 4 times warning the drivers behind you to start braking. After brake light blinks 4 times, it stays in original light.
• It is completely waterproof with sealed technology for circuit protection.
• This light can also attract the attention of the drivers behind you when braking, preventing collisions. 
• Easy to install and it is compatible with all 12-24V brake lights.