Local Mile 1 Same/Next Day Delivery: $12 or Free with $125 Purchase

4M Kidzlabs Magnetic Alarm

Keep unwanted intruders (or pesky siblings) out of your room by installing this magnetic alarm on your door! When the alarm detects that the magnetic seal between it and the doorstop is broken, it will start to beep. Requires 2 AAA batteries (not included). 5+ years.