... or 433MHz Frequenc gsm security alarm with Auto PIR Sensor 315/433Mhz Frquency 10 Wireless Zone 5 ... Number Description: The product is integrated PIR sensor, magnetic sensor and other top technology. When the ... defend zone >All parts are wireless connection >Auto search SIM card signal, no need telephone cable ... , 1 wireless PIR detector, 1 wireless door sensor,1 siren, 2 remote controllers, 1 power ...