... Speed Count(I7,I8) (I7,I8)60kHz SMS yes Voice alarming 1W speaker built-in & Call-out GPRS yes Webcam Interface no ... LCD display with keypad Optional Alarming mode SMS,Ring ,email,voice/Speaker output control mode SMS ,Call-In, Logic programme controlHighlights at ... 1 RS232, 1USB&1RS485 ports availableØ Optional Ethernet InterfaceØ Optional speaker built-inØ 1 Socket of telephone crystal plug & 1 Audio ...