... (As your request).Accept ODM or OEM, providing system local voice, menu language, software analysis, casing- ... User capacity3, 000Transaction Storage80, 000Period of dataKeep data for 3 years without currentSupport baudrate9600BPS, 19200BPS, ... WIFIAlarm clockEmbedded alarm clockExternal functionsConnect Electronic lock(Access Control), Electronic bellCommunicationsRS232 or RS485, TCP/IP, ...