Welcome to our store！</br>1、Can use APP to remotely control, release control, parameter setting and accessory pairing management, supporting for TUYA APP binding use. 2、Support remote intercom monitoring, built‑in microphone and voice speaker, can remotely shout to deter thieves, built‑in large‑capacity battery, the external power is still working normally. 3、The 2.4in color display is convenient and intuitive. The touch screen buttons have a good user experience. 5 groups of alarm numbers can be reserved to prevent missing alarm notification calls. 4、The dual‑network system is more stable. When the home Wifi is disconnected, the 4G card can call the alarm when an alarm occurs. If the 4G card has a weak signal, the Wifi network will push the alarm to the mobile APP. 5、Indoor anti‑theft host and infrared sensor, installed indoors, infrared sensor is triggered by a person, immediately sends a signal to the host, the host makes a call and sends SMS notifications, allowing you to deal with the alarm in time. 6、Anti‑pry door host and door sensor, installed on the door, when the thief pry the door, the door sensor is triggered, immediately send a signal to the host, the host makes a call and sends SMS notifications, allowing you to deal with the alarm in time. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: Door Sensor System Material: ABS Host: 4G+Wifi Dual-Network Alarm Number of Defense Zones: 99 Wireless Defense Zones Wireless Frequency: EV1527/433 Frequency Wireless Distance: 120m/131.2yd in the Open Plug Voltage: 100-240V Input Voltage: DC5V (Micro USB Standard Interface Power Supply) Working Current: 120mA 4G System: China Netcom WIFI Standard: IEEE802.Ub/G/N Wireless Standard Backup Battery: 3.7V/2000mAh Lithium Battery (Including Lithium Battery) Language Support: Sixteen Languages Can be Switched Infrared Sensor: Power Supply Voltage: DC 3V Power Supply Mode: 2 x AA Dry Batteries (Including Batteries) Standby Current: ≤35uA Alarm Current: ≤19mA Detection Distance: Approx. 8-11m/8.7-12yd Detection Angle: 110° Wireless Frequency: 433MHz Wireless Distance: Approx. 100m/109.3yd (Barrier-Free) Wireless Remote: Rated Voltage: 3V Power Supply Mode: Button Battery CR2032 (with Battery) Wireless Distance: ≥100m/109.3yd (Barrier-Free) Coding Method: 1527 Learning Code Wireless Frequency: 433MHz Wireless Door Sensor: Supply Voltage: 3V Power Supply Mode: Button Battery CR2032 (with Battery) Standby Current: ≤20uA Alarm Current: ≤50mA Wireless Frequency: 433MHz Wireless Distance: Approx. 100m/109.3yd (Barrier-Free) Wired Siren: Rated Voltage: 12VDC Operating Voltage Range: 6-15VDC Rated Current: 320/600/1000/1200Ma Output Power: 15/20W Sound Pressure: 110/+3dB/Lm 4G Support Frequency Band and Regional Distribution: The European Area Includes Europe, Africa, and the Middle East West of the Persian Gulf, Including Iraq, the Former Soviet Union and Mongolia. The Recommended Frequency Band Configuration is LTE B1/B3/B7/B20, WCDMA B1/B8, GSM 850/900/1800/1900. The Americas Area Covers the Americas, Greenland and Some Islands in the East Pacific. The Recommended Frequency Band Configuration is LTE B2/B4/B7/B 17, WCDMA B2/B5, GSM 850/900/1800/1900. The Asia-Pacific Region Includes Iran, Most of the Asian Region of the Former Soviet Union, Eastern Asia and Oceania. The Recommended Frequency Band Configuration is LTE B1/B3/B7/B28, WCDMA B1/B8, GSM 850/900/1800/1900. <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> 1 x Host 1 x Infrared Sensor 4 x Door Sensor 1 x Wired Siren 1 x Plug 1 x Instruction 2 x Wireless Remote Control 2 x Access Control Key 2 x Screw Installation Package 1 x USB Cable 4 x Sticker Board 1 x Fixed Bracket 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> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia