Fariedl Security Window and Door Alarm Sensor Door & Window Alarm  (130 dB)

【Quick Alarm】When the distance between the alarm and the magnetic sensor exceeds 0.78 inches, the door alarm will sound an alarm and the LED light will come on, alarm system for home security can quickly alert you to any abnormality of the door and window. 【5-Level Volume Control】Door alarms for kids safety can also be used as a pool door alarm, garage door alarm or sliding door alarm. The window alarm sensors with 5 levels of volume control are the perfect solution for apartments, mobile homes, offices, hotels, garages and more. 【Easy to Install】Just tear off the attached sticker, you can install the alarm sensor on various parts of the house, such as doors, windows, cabinets, drawers, gates and more! 【Mini & Portable】This door and window alarm is designed to be light and mini, and can be put into any backpack when you go out. If you live alone in a hotel, door alarms when opened, it will be your best security partner.