Personal Security Door Window Entry Alarm with Magnetic Sensor - 4 Pack Home Protection Bell with Loud 120db Ring, Burglar Alert, Wireless Alarm - Security Systems for Home, Garage, Apartment, Hotel - TuShemall, GAQAM-7589

• UPC   600685597446
• SMART SECURITY PROTECTION SYSTEM: The magnetic sensor switch detects your entry and will immediately sound an alarm if the gap exceeds 0.5 inches. If you want to keep the door open, switch to alarm off mode. (Built-in low battery test button for easy checking of battery life, each alarm includes three LR44 batteries.) STRONG 120 db ALARM: When someone illegally opens a door or window (the relative positions of the primary and secondary parts change), the alarm can sound a strong alarm to alert the owner. EASY INSTALLATION: 3M self-adhesive, no screws required. Simply attach the alarm clock and latch to the door frame or window and align two of them. Fits doors, windows, cabinets and anywhere you want. WIDE RANGE OF APPLICATIONS: Type on windows or doors, ideal entrance warning for homes, apartments, mobile homes, offices, hotel rooms, garages, etc. Protect your home or office whether you are inside or outside. SERVICE WITH HEART: Customer first, if you have any dissatisfaction or problems, please feel free to contact, we will sincerely provide full service for you.