Product name: Knife LED turn signal Product quantity: price of two Product size: 9CM in length Product voltage: 12V DC power supply Product introduction: Using 12 LED beads, energy-saving level is far better than traditional lighting products, with high brightness, low heat, low energy consumption, high efficiency, no filament structure. With the cool appearance design makes the car more classy and more attractive. Warm tip: after receiving the goods, do not rush to install, first use 12V DC full battery, direct test, this can save you a lot of trouble and worry. Individual models may require LED flasher Wiring description: the red line is connected to the positive pole of the turn signal, and the black line is connected to the negative pole of the turn signal