4 Pack Door and Window Alarm Sensor for Home Security 120dB Loud Siren Protect Your Family Kids & Property Safety Door Open Alert for Office School Hotel Store Shop Sheds Garage(No Battery)

Product description

• Safe and Secure This door and window can instantly detect any movement in your door or window. Now you can keep intruders out with our 120dB, super-powered alarm system. It uses a magnetic sensor that is extremely reliable in any condition. Plus, you can set a chime sound to let you know whenever a window or door has been opened.
• Mini and Portable With its mini design, this wireless ring alarm won't take up any extra space. You can easily carry it in any backpack when you go out. (If the alarm isn't working, check if it's in OFF mode or if the batteries need replacing.)
• Esy to Install Just use the attached then insert 2 AAA batteries (batteries not included in the box), peel off the stickers to gently install the burglar alarm on various parts of the house, such as doors, windows, cabinets, drawers, gates, etc.! (Note Keep the installation area clean and ensure that the sensor is installed within 2 cm from the arrow side of the alarm.)
• Prevent Any Accidents Door alarm sensor keep kids out of cabinets, above ground pools, alcohol. Monitor wandering, sleepwalking, elderly getting out of bed by themselves to avoid all kinds of dangers.