New circuit design, more stable, more , aluminum alloy shell with better heat dissipation,dual remote control. With this controller, there is no need to worry about the vacuum of the engine anymore, no need to worry about the leakage of the engine pipeline, you can use the ACC circuit or plug the lighter or the safety power supply +/- pole, and the installation is simple. 315MHZ RF remote control, remote control distance: 50-100 meters<br><br>WE HIGHLY RECOMMEND PROFESSIONALINSTALLATION! No installation Tool & No instruction is Included, Professional Installation is Recommended All items are New unless stated otherwise on the listing. We sell DIY () Items with a few exceptions. We take no responsibility in teaching you how to install. Professional installation is strongly recommended. Colour:As Shown Material:ABS+Metal<br><br>Package Contents: 1 x Controller Box 2 x Remote control 2 x Cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.