The functions of far and near lamps, turn signals and horn switches of electric vehicles are as follows: Far and near light switch: used to control the high beam and low beam of the headlights of the vehicle, and the switch of the rear tail light. Turning light switch: used to control the flickering of the left and right turning lights of the vehicle to remind other vehicles or pedestrians that they are about to turn or change lanes. Horn switch: It is used to make a sound to warn other vehicles or pedestrians to notice the existence of the vehicle or the direction of imminent travel.1. Versatility: An electric vehicle switch assembly, which is an important part of controlling the driving and operation of electric bicycles. These include headlights, horns and turn signal switches, 2. A variety of collocation methods: electric vehicle switch assembly and any handle can be combined, so as to facilitate the user's personal preferences. 3. Wire length customization: The current wire length is 40cm. If it doesn't fit your EV connection. Too long or too short, you can contact our customer service at any time, customize the length of the line, we will meet your needs.Compatible with most electric tricycles / vehicles and other models1. First of all, the electric vehicle needs to be turned off for its own safety. And shelved on the level of the road, easy to operate. 2. The next thing to do is remove the old handle of the electric car, install the new handle and connect the wires properly. 3. Then fix the new handle with screws. Note that the screws should not be screwed too tightly because titanium dioxide may damage the new handle. 5. The last step is to turn on the power switch to check whether the function can be used normally.