Features:WiFi + GSM Wireless Alarm System for HomeThis wireless alarm system supports 2.4G WiFi connection. It will push alarm notification via Tuya APP when it is triggered. Built in GSM module, you can insert a 2G SIM card into the home alarm system and save your phone number on it, then it will send message to your phone when alarm alerts.Compatible with Alexa & Google HomeThe home WiFi alarm system is compatible with Alexa & Google Home to achieve voice control. You can just ask Alexa app on your smartphone to arm or disarm the whole system by a specific voice instruction like Alexa, please arm the alarm system, very convenient to use.Control Panel with 2.4inch TFT ScreenThe control panel has built-in high performance CPU master that based on 32-bit cortes-M3 core; has 2.4inch large TFT screen to display control interface, date, clock and so on; supports 8 kinds of languages(Chinese/English/Italian/ Polish/ Spanish/ Russian/ German/ French) switching freely.DIY Your Home Alarm SystemComes with remote controls, door/window sensor, PIR motion detector, alarm siren and RFID cards, you can DIY your home alarm system according to your needs.Easy to Install & Wide ApplicationNo complicated steps, you can complete the installation in a few minutes. And the wireless home alarm system can be widely applied to homes, offices, schools, shops, factories, apartments and so on.Specifications:Wireless Frequency: 433(MHz)Built-in Siren: 70dB/mStandby Current: less than 35mAAlarm Current: less than 120mAGSM Transmission power: 2WWiFi Frequency: 2.4GInput: AC100-240V, Output: DC12V-1AControl Range: 250-500 ft(in open area)Working Temperature: -15 Degrees Celsius to 50 Degrees CelsiusHumidity: Less than 90%Control Panel Size: 18.5 * 12.5 * 1.47cm/ 7.3 * 4.9 * 0.6inPacking List:1 * Control Panel2 * Remote Control2 * Door Sensor2 * Motion Detector1 * Alarm Siren5 * RFID Cards1 * USB Cable1 * Power Adapter1 * Users Manual(English & Chinese)