Product Parameter Input: AC 12V-24V Working voltage: 6-30V DC Maximum use current: 2A Product size: 42*21*12MM Working environment temperature: -40~+50 Storage temperature: -50~+80 Advantages: IP65 protection design Feature: Applicable models: LED lights for all motor vehicles such as automobiles, motorcycles, tanks, armored vehicles, electric bicycles, etc.; LED high-position brake lights are best installed Specialty: Each time you brake, the high-position brake light will always be on (fast flashing 4 times + slow flashing 4 times and then turn to constant light). Cycle flashing, super cool flashing, safer driving. Function: Improve the warning to the rear vehicle, try to avoid rear-end collision. Improve driving safety, When driving at night, remind the vehicle behind you to stop and prevent rear-end collision. Wiring mode: direct series connection, IN is the input of the original car light power cord, OUT is the output of the LED light, Note: Connect the LED light first and then the power supply, otherwise there will be no flashing effect, with 4 quick-wire clamps. Package Included: 1*Flash Controller 1*3M sticker