KERUI Home Alarm System Kit,Door Stop Alarm and Door Lock for Travel Hotel

Complete DIY wireless house burglar alarm system kits includes a horn and three window/door sensors,two remote controls,two pir motion detectors, loud alarming to protect well for apartment shed hotel garage RV motor home safety ,affordable home security.
Loud SOS alarm and easy to get help-children and seniors at home in emergency,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time.
Door Stoppers Security Kit-The door stopper alarm in the "ON" status, once someone tries to break in, the door stopper will obstruct and make a loud alarm with 120 dB (volume can not be adjusted) to alert. And the portable door lock provides you with dual protection, preventing unsafe external entry, greatly improving the security of you and your family.
Easy to Install-Each door stop alarm is powered by a 9V battery (not included). No need to use tools to install, just simply place the stopper under door (For inward-opening doors only). The gap between the door and the floor should be 10mm (0.39 inch) to 35mm (1.38 inch). About the door lock, just need to insert it into the door hole on the side.
This portable door lock provides you with extra security and privacy, greatly improving your security and preventing unauthorized entry. In case of an emergency you could remove the lock in seconds in the dark!which is a great helper for you when you are on business and trips, or live alone.