• Loud Enough: When the door/windows are opened, immediately sound 130db. U can browse different packages
• Four Modes available: Arm/Doorbell/Beep/SOS mode controlled by the remote
• Easy Installation & Operation: Magnetic contact body contains self-adhesive tape. All operations are performed by remote control
• Multipurpose Security System: Anywhere you need to be alerted, such as drawers/refrigerator/gate/dorm/hotel/travel/cabinets
• Reliable after-sales : Low power consumption, low battery reminder. Friendly Customer Service