Dear Mr mark stanley, Many thanks for your inquiry. It is Tina, overseas sales of Shenzhen KET Industrial Co.,Ltd. I will be responsible for any of your inquiries on our products. I hope we can establish business relationship with you in the near future. Our company is a manufacturer of "smart card application" series products such as door/access controller, time/attendance recorder, Elevator Controller and parking management system. We are an Rohs,CE,FCC C-TICK Certificated company. We offer OEM/ODM service for completing customized requirements according to the clients' specific demands. We always focus on providing good quality, best service and competitive price products to our clients. We are always interested in establishing good relationship with the clients all over the world.