DY-GSM50A 8 in 1 Kit 315MHz 433MHz Wireless GSMPSTN Intelligent Anti-Burglar Alarm System, Touch Panel LCD Screen(White) Features 1. Dual network PSTNGSM home alarm system. 2. Built-in clock and color TFT LCD screen, high-sensitive touch panel keypad. 3. 10 seconds voice message recording. 4. RFID function(work with electromagnetic lock). 5. 3 groups of timely alarm and disalarm. 6. Support 6 wired, 50 wireless defense zones and 8 wireless remote controls 7. Set 6 alarm phone numbers. and 3 alarm SMS numbers. 8. Support wireless siren( Default frequency 315Mhz). Also support the wired siren. 9. Unique function of low voltage alert by sending notifying message. 10. Built-in 4.2V 350mAh lithium battery, when power is off, the host will alarm. 11. Be compatible with the international CID center protocol: Ademco contact ID protocol. 12. Siren volume: 120dB (The default beep time is 180s when it alarms). 13. Full charged time: 10 hours, standby time: 4.5 hours. 14. Factory default password: 1234. Package List 1. Control Panel x 1 2. Wireless DoorWindow Contact x 1 3. Wireless PIR Motion Detector x 1 4. Wireless Remote Control x 2 5. Wired Siren x 1 6. (US, EU, AU, UK plug optional) Power Adapter x 1 7. RFID Tag x 2