How to build a security system for my room?

Check out these security system building work: Kapica question Peter : How to build a security system for my room My sister is still in my room with stuff, and they will not return. Youtube did not help. The videos will deal with things that I did not. What household items can I use to build a security system safe for my room. Ps not spill water on it, because I have carpet. Watchdog function is barking Best answer:. response fat, old, bearded, bald go to the hardware store and buy a

Home security system alarm