Description:Brand new and high quality strobe flash light three flashing modes controller. Enter two lines， connect it to the power. With reverse connection protection， reverse connection will not burn out. Only when you press one of the three A， B， C key can it flash. Suitable for DC12V car or motorcycle.Material: Plastic Voltage: DC12V Product Dimensions: 7.7 x 58 x 2.91 cm With switch. Three flashing modes: A key: left and right quick flashB key: left and right slow flash C key: all flashWith 6 ways.Package Includes: 1 x Controller