The 2Pcs Wireless Door and Window Magnetic Sensor Alarm Detectors provide reliable home security by instantly alerting you when any entry point is opened. Ideal for doors, windows, cabinets, safes, and sliding doors, these wireless sensors are easy to install and require no wiring. When triggered, the alarm emits a loud alert to deter intruders and notify residents of unauthorized access. Designed for home, office, apartment, and shop security, the system helps protect your property and loved ones with simple but effective technology. Its compact design blends seamlessly into any space, while the magnetic sensor ensures accurate detection every time. Perfect as a standalone security solution or an additional layer of protection, this wireless alarm system offers peace of mind and enhanced safety for any environment.