<b>Note:</b><br><br> 1. Before installation, please check whether led lights for car interior is in good condition, insert the cigarette lighter and turn it on to check whether it is normal.<br> 2. We recommend that you have the assistance of your relatives or friends during the installation. This will make the one-time installation more accurate and quicker.<br> 3. The three controllers cannot be used at the same time, and when using the remote control and mobile phone to control, please aim at the manual box control, because there is a signal receiving device in the control box.<br> 4. During the installation process, please carefully read the installation instructions in the manual first, which will make you understand the installation steps of the product more quickly.<br> 5. Keep the led car lights away from sharp objects and avoid pulling wires to cause short circuit.<br>