... CDMA /WIFI access control. Alarm clock function for giving the correct time for On and Off.. Single door control function. (As ... . (As your request).Accept ODM or OEM, providing system local voice, menu language, software analysis, casing-making. ... /CDMA/WIFIAlarm clockEmbedded alarm clockExternal functionsConnect Electronic lock(Access Control), Electronic bellCommunicationsRS232 or RS485, TCP/IP, USB ...