... ARM9 module with big capacity FLASH, it is easy to integrate with various systems.. ARM9 platform support enterprise ... clockExternal functionsConnect Electronic lock(Access Control), Electronic bellCommunicationsRS232 or RS485, TCP/IP, USB and Weigand output(As your request ... savingSize178*128*55mmPower supplyDC9V, 1A (AC 100V to 240 V, 50 to 60 Hz )Warranty of period24 monthsTemperature and humidity0 ...