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2
votes
2answers
2k views

How do I install a chain lock on a steel door?

I'm tring to install a chain lock on the inside of my home. I've tried millions of things to get a hole in the steel door. Is a 12 volt drill not powerful enough?
3
votes
1answer
371 views

What to look for in a home security system?

We're in the process of researching home security systems for a house. We're in the process of remodeling (door change, painting, etc), so I'd like to do that at the same time. Our contractor has a ...
1
vote
2answers
465 views

How to install 230V Light with Light-activated-resistor?

I am trying to set up light-activated-resistors that activate a light during dark hours. I have bought a ready Chinese thing that apparently contain a driver to change from AC to proper DC output for ...
3
votes
3answers
7k views

Can I tap into an exterior light in order to power a security camera?

I have an exterior light (shown below) that I was wondering if I could tap into, in order to power an outdoor IP cam. I understand I would have to pull appart some cables and potentially purchase ...
2
votes
1answer
438 views

what parameters should I look for when choosing an electric deadbolt?

I am looking for electric deadbolts for external steel doors - to place several of them on a door - one on each side (top, bottom, left, right) for extra security. I want to buy just the deadbolt ...
11
votes
5answers
18k views

How to tell if your locks are bump proof?

I was reading about lock "bumping" where burglars buy 'bump' keys and can open locks very quickly. I was also reading that some locks are bump proof (double chamber perhaps?). My question is: how can ...
9
votes
7answers
6k views

Can a locksmith open a deadbolt lock?

I wonder how secure my deadbolt lock is. How difficult is it for a professional to open such a lock?
26
votes
11answers
9k views

How do I secure my house against intruders?

What are some suggestions for securing your house from an intruder? Right now we have a GE Simon XT alarm system, but it doesn't cover breaking a window. We put some PVC pipes in the tracks of the ...
2
votes
2answers
232 views

What the heck is/was this keypad for?

I recently noticed this keypad on our front porch. As far as I can tell, it's not connected to anything. Does anyone know what it was for? A security system perhaps? Garage door?
7
votes
2answers
502 views

How long do batteries typically last in electronic deadbolts?

I'm considering getting a Schlage Plymouth Keypad for our front-door but was curious how long the 9V battery typically lasts. The web site says "3 year battery life" but I'm... skeptical. =) Has ...
7
votes
6answers
3k views

Is it worth having two locks in exterior doors?

I've noticed that some places have a lock in the knob and a deadbolt in the exterior doors, and some places have a knob without a lock and just a deadbolt. Is there a benefit to having a lock in the ...