Tuya GSM+PSTN Smart Home Alarm System with LCD — Mobile App Remote Control, 99 Wireless + 4 Wired Zones, High Sound

Tuya smart alarm supporting both GSM and PSTN lines, equipped with an easy-to-read LCD display. Operation is simple via a press-button keypad or remotely through the mobile app for arm/disarm control. System coverage: 99 wireless zones plus 4 wired zones. Contact options include 4 groups of alarm phone call numbers and 3 groups of SMS phone numbers. Optional features: real-time arm/disarm and timing (scheduled) arm/disarm. High sound output alerts on alarm activation.