Product Description Wireless Home Security Safe House Alarm System GSM+PSTN Android & IOS APP Features: 1.4 wired & 99 wireless TOUCH KEYPAD GSM + PSTN dual network alarm system can be connected with 99pcs wireless sensors and 99pcs of wireless remote control 2. Big LCD with blue back light display screen 3.4 groups of timing arm/disarm function 4. B...