Brake light strobe module works with LED brake or reverse lights. Strobe module rapidly flashes bulbs 4 times for 0.4 seconds, slowly 4 times for 2.6 seconds, and then lights remain on bright until brake pedal is released. 12V DC Operation with a maximum load of 1.25 amps. Weather-resistant housing easily mounts to vehicle with double-sided adhesive. Includes 6” power wires.