Welcome to our store！</br>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. <div class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> <p class="wang-edit-text"> <p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: Alarm Systerm Material: ABS Host (Built-in Battery): Input Voltage: DC 5V (Micro USB interface) Emission Current: &lt;120mA Standby Current: &lt;80uA Siren Output: &lt;500mA Wireless Frequency: 315MHZ / 433MHZ / 868MHZ Code: EV 1527 GSM Frequency Band: 850/900/1800 / 1900MHz WiFi Standard: IEEE802.11 b/g /n wireless standard Backup Battery: 3.7V / 1000mAh lithium battery Working Temperature: -10-55℃ Door Magnetic Sensor Power Supply (Built-in Battery):&nbsp;A CR2032 battery 80mAh Infrared Detection Power Supply: (Battery Not Included) 2 x AAA battery Remote Control Power Supply (Built-in battery): 1 x CR2025 battery 80mAh <p class="wang-edit-text"><style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> </div> <div>1 x Alarm Host&nbsp;</div><div>1 x Infrared Detector</div><div>1 Pair x Door Sensor</div><div>2 x Remote Control</div><div>2 x Access Control Card</div><div>1 x Horn</div><div>1 x Charging Cable</div><div>1 x Charging Head</div><div>2 x Hook and Loop Tape</div><div>1 x Screw Pack</div><div>1 x Installation Base</div><div>1 x Manual&nbsp;</div> Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>