This car light is special for RC car models, it has Strobing-blasting Flashing fast-slow Flashing alternately Mode and so on. Feature: RC CH3 Controling Flashing Mode. 5 flashing mode. Suitable for 1/10 1/8 1/12 RC Model Car Using receiver as power supply, easy to use You can change modes by CH3 button on transmitter or switch mode button Specification: Voltage: 4.8~6V Quantity: 1 PC Size A:145*20*12mm Instructions: the power line is connected to the receiver third channel(CH3) Package include: 1 * RC Car LED Light