ERAY WiFi + 3G Home Security Alarm System, Wireless GSM Burglar Alert SMS Calling Alarms with 1 Door Sensors, 1 Motion Detectors, 2 RFID Cards and 2 Remote Control-Battery Included (A) 2.4GHz WiFi & 3G GSM: ERAY WM3FX alarm host adopts the lastest technology that supports WiFi connection(Only 2.4GHz) and 3G GSM transmission, solved the problem that 2g data network had been closed fully in USA APPPUSHER & SMS/CALL ALERT: Connect WiFi or inserted a SIM card which supports 3g netwok(not included), you will receive the AppPusher, SMS and call alarm when the intruder triggered the door sensor/motion detector FREE MOBILE APP: Free to arm/disarm the alarm system anywhere after installing the app on the mobile devices, and easy to set/change the properties of the alarm system. Remote monitoring and two way audio function EASY TO USE: User friendly interface in English and touch keyboard make the program operations of the alarm host more clear and intuitive. All accessories in this kit had been paired with the alarm host ERAY SERVICE: 12 months warranty for the alarm host. If you are not satisfied in any regard, please contact us for solution. We will give you a satisfactory reply or a full refund within 30 days after purchase 1* Alarm Host 1* PIR Motion Detector (Included the mounting bracket) 1* Door/window Sensor (Included the double-sided adhesive) 2* Remote Controls 2* RFID Cards 1* Wired Siren 1* US Adapter 1* User Manual Connect with Only 2.4GHz WiFi + GSM transmission Free APP and free alarm AppPusher on mobile Support preset 6 alarm phone numbers and 3 alarm SMS numbers 10 wireless zones (Total 80 wireless sensors can be added) and 2 wired zones Extend up to 8 remote controls and 10 RFID cards Store up to 30 alarm records Timing of arm/disarm, home arm (partial arm), delay alarm/arm and ect WiFi: Only 2.4GHz Wireless Frequency: 433MHz GSM Frequency: UC15-A 850/ 900/ 1800/ 1900MHz Alarm Current: &lt;450mA Standby Current: &lt;180mA Working Temperature: -10  C to +40  C Supports Tamper Alarm: Yes Power Supply: AC 110-240V; DC 12V (Built-in rechargeable lithium battery) Dimensions(L*W*H): 7.87x5.51&#034;x0.78&#034;/ 20x14x2 cm Sensor: Passive IR sensor with low noise Working Voltage: DC6V (4*1.5V AAA batteries) Working Temperature: +5~+45C Transmitting Frequency: 4330.5MHz Transmitting Distance: 80M (No obstacle) Detecting Distance: Max 12m Detecting angle: Horizontal 110, Vertical 60 Dimension: 11x6x3.8 cm Working Voltage: DC 12V (Built-in 12V battery) Standby Current: &lt;10uA Alarm Current: &lt;30mA Working Temperature: +10~+40C Transmitting Frequency: 433+0.5MHz Transmitting Distance:  80M (No obstacle) Gap Distance: Max 10mm Test whether the WiFi connection is successful and whether all accessories work well before installing; Turn on the power switch in the back cover of the alarm host before using, power indicator will be on; Connect adaptor with AC power to the alarm host. (If the battery power is too low, maybe the alarm system can&#039;t work well.) Arm or disarm the alarm system with the remote control, see if it works; If it fails, replace the battery of the remote control or pair it with the alarm host again. Turn on the switch of the motion detector and shake your hand in front of it, see if the alarm system will alarm; If the indicator light keeps on, replace the battery of the motion detector or pair it with the alarm host again. Turn on the switch of the door/ window sensor and separate the magnetic bar from the transmitter, see if the alarm system will alarm; If the indicator light keeps on, replace the battery of the door/window sensor or pair it with the alarm host again.