The RI-940 proximity reader and controller comes in two colors, with an ultra-thin and sleek design, easy installation and coordination. The proximity reader series can operate as a stand-alone reader or with computer connections. Utilizeing Flash memory with large capacity, it can store up to 100,000 card numbers. Identification time is less than 0.1 second, and it is not affected by the amount of cards. LCD internal English and Chinese characters can display operation commands and user name. Keyboard with LED backlight is for lowlight usage. Features include elevator level access and parking lot anti-pass are back access capabilities. Proximity chip specification uses EM or MIFARE series. It provides RS-485 or IP network interface to connect with computers.