Tuya Intelligent sensor door and window sensor wireless wifi/GSM home remote security anti-theft alarm system

2.4-inch TFT full-color LCD display;  Touch keyboard operation, wireless transmission, simple installation;
1.One machine and two networks WIF/GSM(2G), continuous network, more secure, more assured;
2. Support doorbell button prompt sound function, ding dong, ding Dong (default)
One key SOS secret distress alarm; Support stress code, can secretly call the alarm in emergency (default alarm tone, can be set);
Support 9 languages, Chinese, English, German, Korean, Spanish, Portuguese, French, Italian, Russian (default English).
Support remote WIFI APP alarm push, phone, SMS, and other multi-channel alarm mode and management;
Support 5 groups of preset alarm phone and SMS numbers, support each group of numbers off/on management;