【What do you get?】 DIY Wifi home security systems: 1x120dB Siren, 1x power cord, 4x Motion Sensor, 2x remote control,1x instruction manual, and our lifelong friendly service. Our DIY home security system features speakers that connect to up to 30 wireless detectors, 10 remote controls, 10 door magnetic sensors, and a maximum sound of 120 decibels to deter thieves or thieves. | 【Home Multi-purpose motion sensor siren】 When people or animals pass by, the motion sensor alarm will be triggered, and you will get an instant alarm notification on your phone within about 1 - 8 seconds depending on Wifi networks. (NOTE: Only support 2.4Ghz. No built-in siren, but the alert message to your phone.) | 【24H Monitoring】 The push notification feature on the house alarms security system app can be disabled when you're at home, and the wifi home alarm system continues to record a history for you to view when you need to. Children and seniors at home when in emergency, can press the [S] button of the remote control, which will set off the siren alarm up to 120dB to notify other members at home or neighborhood, so that they can get help in time. | 【Easy to Install】 The alarm system with motion sensor is very easy to install and you can attach it to door or window frames with either double-sided tape or screws. Double-sided stickers and screws are included in the box. loud siren better protection for apartment sheds, hotel, garage safety, and affordable home security. | 【After Sale Service】 The house alarm systems use remote controls to set security codes for arming/disarming; the alarm security system is complete with a fully programmed main unit and sensors, later if you want to DIY, please factory reset first according to the manual, then pair them again or search operation video on YouTube "KERUI Standalone Alarm System Operation Guide" for reference. please feel free to contact us and we will try our best to provide you with the most satisfactory service.