1. 2.4-inch TFT full-color LCD screen display; 2. Touch keyboard operation, wireless transmission, easy installation; 3. One machine and two networks WIF/GSM (2G), never disconnected from the Internet, safer and more assured; 4. Support doorbell button prompt tone function, Ding Dong, Ding Dong (default) 5. One-key SOS secret distress alarm; support duress code, can secretly call the alarm in an emergency (default alarm tone, can be set); 6. Support 9 languages: Chinese, English, German, Korean, Spanish, Portuguese, French, Italian, Russian (default English). 7. Support remote WIFI network APP alarm push, telephone, SMS, and other multi-channel alarm methods and management; 8. Support 5 groups of preset alarm phone numbers and SMS numbers, and support each group of numbers to turn off/on management; 9. One-key operation to add wireless accessories, no need to distinguish defense zones, attributes, names, etc.; 10. Support the main door, hall, emergency, bedroom, window, balcony, perimeter, smoke, gas, carbon monoxide, water leakage, doorbell, PIR detector, door magnetic detector and other defense zone names and numbers can be set arbitrarily; 11. Support the setting of defense zone types such as going out defense zone, staying defense zone, doorbell, silent defense zone, and 24-hour defense zone; 12. Support multiple extended alarm display and alarms such as main power failure, backup battery shortage, tamper alarm, etc.; 13. Dual horn alarm sound design, built-in horn (default) 14. Support free arming and disarming function 15. Support arbitrary input of fraudulent numbers in the defense zone 16. Support timing arming and disarming and message operation; 17. Support telephone function, similar to an ordinary telephone; 18. Support 1 group of user password management (closed by default) see the manual for enabling 19. Support IOS system (within version 12.3.1), Android system Parameter: 1. Power supply: 110230VAC (input) 5V/1.0A (output) 2. Backup battery: 3.7V/500mAh 3. Standby current: less than or equal to 80uA 4. Alarm current: less than or equal to 500mA 5. GSM network communication frequency: 850/900/1800/1900mHz 6. Support GSM network: 2G 7. WIFI standard: IEEE802.11 b/g/n wireless standard 8. Working temperature: -10-60 degrees Celsius 9. Working humidity: less than or equal to 95% 10. Wireless frequency: 433MHz 11. Built-in alarm siren: greater than or equal to 85dB 12. Transmission outdoor wireless power: 10+/-14dB 13. Alarm transmission: WIFI+GSM 14. Product size: 160 x 100 x 12.5mm Package details: Package 1: CS118 host x 1 CT60M Anti-Pet Infrared Detector x 1 CD101 wireless door sensor x 1 RC22 wireless remote control x 2 M6 wireless doorbell button x 1 1 USB cable (not including charging head) Neutral color box packaging x 1 Package 2: CS118 host x 1 CT60M Anti-Pet Infrared Detector x 3 CD101 wireless door sensor x 3 RC22 wireless remote control x 2 M6 wireless doorbell button x 1 1 USB cable (not including charging head) Neutral color box packaging x 1 Package 3: CS118 host x 1 CT60M Anti-Pet Infrared Detector x 3 CD101 wireless door sensor x 3 RC22 wireless remote control x 4 M6 wireless doorbell button x 1 1 USB cable (not including charging head) Neutral color box packaging x 1 Package 4: CS118 host x 1 CT60M Anti-Pet Infrared Detector x 2 CD101 wireless door sensor x 4 RC22 wireless remote control x 2 M6 wireless doorbell button x 1 1 USB cable (not including charging head) Neutral color box packaging x 1 Package 5: CS118 host x 1 CT60M Anti-Pet Infrared Detector x 2 CD101 wireless door sensor x 6 RC22 wireless remote control x 2 M6 wireless doorbell button x 1 RC11 wireless SOS button x 1 CS118 audio speaker x 1 1 USB cable (not including charging head) Neutral color box packaging x 1