Take 4 pieces batteries for light display or connect it with power in car. To attach the cupule on surface of windshield for fix angle and screw down it.

• 显示屏安装4节5号电池或接上点烟器电源，取出吸盘贴在玻璃表面上，确保产品在车上的安装角度，拧紧螺帽以免脱落。