We are S4A INDUSTRIAL CO., LIMITED based in Shenzhen, China. We are member of TradeKey.com since August, 2017. Our business is related to Security & Protection industry and we specifically deal in access control system;access control keypad;access control card reader;electric door lock. Please find our product details below:125khz RFID smart proximity card reader125khz RFID smart proximity card reader for door access control system 125khz RFID Smart Proximity Card Reader I.Promixity pe...RFID door access control system waterproof SS digital keypadsRFID door access control system waterproof SS digital keypads Introduction: Standalone access controller, an independent acc...Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.