Feature:1. 2.4 inches TFT display, brief user interface and menu prompt design, support date and clock display.2. WIFI/GSM/GPRS intranet alarm system, supports APP push, SMS, language monitoring, intranet center and other alarm channels to ensure stable and reliable alarm performance.3. Support multi-language menu display, voice prompts and alarm SMS settings. It can record 20S language information and alarm voice. The GSM network clock is synchronized to ensure that the clock is accurate and supports national time zone settings.4. Support multiple defense areas, such as door, bedroom, window, balcony, surrounding, carbon monoxide, water leakage, etc.5. Support online GPRS to obtain device status, and automatically alarm when offline.Specification:Item Type: Alarm SystermMaterial: ABSHost (Built-in Battery): Input Voltage: DC 5V (Micro USB interface)Emission Current: <120mAStandby Current: <80uASiren Output: <500mAWireless Frequency: 315MHZ / 433MHZ / 868MHZCode: EV 1527GSM Frequency Band: 850/900/1800 / 1900MHzWiFi Standard: IEEE802.11 b/g /n wireless standardBackup Battery: 3.7V / 1000mAh lithium batteryWorking Temperature: -10-55Door Magnetic Sensor Power Supply (Built-in Battery): A CR2032 battery 80mAhInfrared Detection Power Supply: (Battery Not Included) 2 x AAA batteryRemote Control Power Supply (Built-in battery): 1 x CR2025 battery 80mAh.Package List:1 x Alarm Host 1 x Infrared Detector1 Pair x Door Sensor2 x Remote Control2 x Access Control Card1 x Horn1 x Charging Cable1 x Charging Head2 x Hook and Loop Tape1 x Screw Pack1 x Installation Base1 x Manual Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.