Product Description: Secure Your Home with the Versatile Wireless Door and Window Alarm Enhance your home security with our advanced Wireless Door and Window Alarm Sensor, designed to offer robust protection and convenience. Ideal for various living spaces such as rental apartments and villas, this device ensures peace of mind with its high-performance features. Versatile Usage: Our door open sensor alarm is perfect for securing homes of all types, including rental apartments and villas. Its adaptable design ensures it fits seamlessly into any living space, providing essential security where you need it most. Low Battery Alert: Equipped with a powerful 105dB alarm, this wireless window alarm effectively deters potential intruders. The device also includes a low battery alert with an LED indicator, ensuring you are always aware of when a battery replacement is needed to maintain optimal performance. Doorbell Function: Beyond security, the wireless door alarm features a convenient doorbell function. This allows it to serve a dual purpose, notifying household members to open the door for guests, adding an extra layer of convenience to your daily routine. Long Battery Life: Designed for longevity, the alarm's battery can last for more than a year. This ensures you receive long-lasting and reliable performance, reducing the need for frequent maintenance and enhancing your home's security with minimal effort. Easy to Install: Installation is a breeze with the included double-sided tape. Simply mount the door window alarm to any window or door, no tools required. This hassle-free setup means you can quickly secure your home without any professional assistance. Invest in the safety and convenience of your home with our Wireless Door and Window Alarm Sensor. Combining powerful security features with user-friendly design, it is the perfect solution for protecting your living space and ensuring peace of mind.