【Safe and Secure】The door window alarm can instantly detect any movement in your door or window. you can keep intruders out or pool alarms if children/pets Or visitors come/go【User Friendly】No wiring necessary, Door and Window Security Alarm Sensor is perfect for securing your home. With its compact and stylish design, the alarm can be cleverly placed on a variety of doors and windows in your home【Easy Use】 It is the perfect solution for apartments, mobile homes, offices, hotels, garages and so much more.We provide a 36-month worry-free warranty with our friendly customer service. If you have any questions please feel free to contact us.【New Design】Once the alarm and magnet are separated more than 0.4 inches, the alarm siren keeps going until you close the door. Window alarm sensors are powered by LR44 batteries (included)【Protect Home】The apartment security system is designed to fortify your home with an additional layer of protection. Now you can live your life knowing your home, belongings and loved ones are safe Track Page Views WithAuctiva's Counter