PG-105-GSM GSMGPRS + WiFi Intelligent Alarm System with Touch Keypad & LCD Screen & RFID Function, US Version 1. Simple and intuitive design with 2.4 inch color screen, touch keypad and SOS button 2. Built-in powerful CPU based on 32-bit Cortex-M3 core with multi-task operation function 3. GSM(2G)GPRS+WiFi alarm system, supports multiple alarm notification channels, like APP push SMS voice phone call. 4. 90 wireless zones for accessories including sensors, remote controls and 10 zones for RFID tags 5. With 3 hardwired zone (EoLR) 6. Support SMS armdisarm and parameters setting, support voice armdisarm 7. Zone name editable 8. Support accessory low battery, AC power failure, hub or accessory battery power shortage, tamper alarm and other extended alarm 9. Doorwindow unclosed notification while armed 10. Support inout zone, indoor zone, outdoor zone, 24-hour zone, doorbell and other zone settings 11. Support 5 groups alarm phone number setting 12. External wired alarm connectors: 1 channel external wireless siren, 1 channel alarm-linked wireless remote socket 13. APP or hub can control electrical appliances by smart sockets. 14. Timed armdisarm function 15. Support operation logs and alarm events storage and tracing 16. Time synchronization function through GSMWiFi network 17. Support multi-language menu, voice operation notice and SMS alarm settings 18. Support 20-second message and voice alarm 19. Primary PowerPlug-in power supply, micro USB 110220V AC to 5V DC, 1A output 20. Backup Battery:3.7V1000mAh rechargeable lithium polymer battery 21. Working current: <80mA 22. Siren Output: <300mA 23. Frequency: LTE-FDD, B1B2B3B4B5B7B8B28B66.GSMGPRSEDGE 85090018001900MHz 24. Humidity range: < 80%RH (No freezing) 25. Product Size: 18x11.5x2.3cm 26. Please note: this product is only applicable to Brazil, Argentina, Chile, Peru, Colombia and America