Holux Auto Sliding Door X3 is a new controlling microprocessor circuit board is designed and made by utilizing the most novel parts and latest technologies. Hence despite its minuscule size, its capabilities are incredibly superior to those of older models. In each and every step of designing and producing this controller, we have taken care of all research, design and production stages in Germany and under close supervision of our German engineers who have decades of invaluable experience and we have also thoroughly followed all European Union and German DIN norms, such as machinery directives and electromagnetic compatibility (EMC) regulations. This has led Holux X3 controller to ensure your safety and live a much longer prosperous life compared to similar products. Moreover, due to the use of sophisticated technologies to save energy and resources, you can be justly proud of enjoying an Eco-friendly technology!