Best DIY Home Security Alarm

Help keep your home, apartment, or rental secure with these versatile DIY home security alarms. The extremely loud 120dB alarm will alert you to a potential home invasion, can help scare off would-be burglars, and can alert nearby neighbors.

Attention-grabbing sound: Heard up to 750 ft. away the door and window alarms provide superior home security by alerting you quickly to an uninvited entry.
Easy wireless installation: There's no wiring needed, simply mount the self-adhesive pads to either side of your window or door. Works on both left- and right-side opening doors and can be easily moved to a new location if needed.
Adjustable settings: 3 adjustable settings (off/chime/alarm) allow you to personalize how you use your DIY home security alarm in your home.
Most affordable option: The DIY wireless door or window alarm can be used on its own or in combination with any other DIY home security product(s) with no costs for installation or monthly monitoring fees.
Extremely reliable: Battery operated means it still works during power outages and a low battery light indicator ensures you can keep your home security alarm ready to go.