... sms alarm system rtu5011 Basic Info. Model No.: YL007M2C Working Principle: Electromechanical Application: Indoor Sensor Type: Magnetic ... panel, 1 wireless PIR detector, 1 wireless door sensor, 1 siren, 2 remote controllers, 1 power supply ... car, school, financial office, office, Particularly suitable for elderly and child in emergency. Spanish voice gsm lcd intelligent alarm system with LCD display ...