Arc Link Products Dead Bolt Secure, Brass

I'll start by saying, finding a solution that truly works, on an outward opening door is not an easy task. I actually tried two other deadbolt security locks, before finding this perfect solution to securing my door while I'm inside. (Works on inside opening doors too. Works on any position that your deadbolt lever rests.)Here's why this security deadbolt lock is tops among the others I've tried:* Super durable, strong and fits well.* Easy to install, loosen deadbolt plate, slide two piece circular piece under plate, adjust lock around plate to where your deadbolt lever turns.* No worries that when lock is open, it will fall or slip down against deadbolt lever. It is very tight, friction is very strong, no way it will slip or close without a good amount of push or pull. Rest assured when you open lock, it will stay put.* Caution!!! If you have young children! Do not leave them unattended and step outside your door for a minute. If someone locks this from inside, there is no possible way you can unlock from outside. The door will need to be demolished to get inside, or if you can get inside through a window. Seriously, there is no way to turn your key from outside that will pop open this lock. IT IS SECURE and your key will break before you know it, and lock will not have even budged. Unlike the magnitized kind, where with just a little pressure, it will pop loose and entry is accessible. This lock is the Hulk of all locks.Want peace of mind while alone in your home? I did. Living in an apartment with maintenance men and who knows who else might have a key, I wanted peace of mind and sleep. You will never worry that anyone can break in through the door that this lock is attached to.

Product does what it claims and does so simply and elegantly. Installation took less than five minutes and amounted to loosening the screws on the interior side of the deadbolt, slipping the two halves of the unit in between the deadbolt and the door, positioning the unit such that when the switch was closed it blocked the deadbolt latch from moving, and tightening the deadbolt screws. The deadbolt latch absolutely cannot move when the switch is in the closed position in my setup, rendering my deadbolt un-pickable. I chose this product over the competitors because it appeared to have the simplest locking mechanism among all of the products in this class, and I don't see any obvious way the unit could fail short of the hinge mechanism getting coroded.The only complaint I have is that the two halves of the unit don't interlock to make positioning easier (they both have female ends so that only one part needed to be manufactured to save money) which is slightly annoying but only really results in another 60 seconds of installation time.

Whoever invented this was a genius. It works fantastic. Once installed, the key is rendered useless because the deadbolt cannot move. Easy installation. I would buy this product again...and I did.

As a locksmith and a passionate hobbyist lock picker, I use this on my own front door in my apartment. When properly installed and enabled, this device will stop the door's deadbolt (the thumb-turn kind) from being unlocked from the outside, regardless of the method used. The deadbolt will not unlock if it's picked, bumped, jiggled, drilled, or even has the proper key inserted. This means that when it's enabled, it stops bad guys AND GOOD GUYS alike from unlocking the deadbolt from the outside. Since by design the device can only be enabled and disabled from inside, this means it can only be used while there is someone home if you live in a dwelling with only one door. When activated, the ONLY way to open the door from the outside is via destructive entry (eg, kicking the door down), EVEN IF YOU HAVE THE KEY. (WARNING: Keep this in mind if you have kids or someone elderly living with you. If you step outside and a child inside 1) locks the door and 2) engages this device, that door can no longer be opened from the outside without destructive entry.)This device is perfect for extra piece of mind while you're home, knowing that the dead bolt can't be manipulated from outside. If the door itself was installed properly to resist destructive entry (kicking, etc), then "Dead Bolt Secure" is the perfect companion to stop non-destructive entry such as keys and lock picking. Simply lock the deadbolt, flip the tab, and you're done! If you're looking to upgrade your door security, AFTER making sure it's resistant to destructive entry methods, pick up the "Dead Bolt Secure!" You can't beat the protection it provides at the price that's offered!

Live in an apartment so drilling the door to apply a door guard was out of the question. This device was a perfect solution! Quality material, sturdy, steel, and easy to install. It took less than 10 minutes to put together and only need a screw driver. Feel more secure with this device option on the door. Less worried about someone just coming up to pick the patio door lock. Tried opening door with key from outside and it would not budge. So far, very pleased. Probably will get another for the front door. I purchased the gold color. My only complaint is the lack of color choices. Otherwise, highly recommended.

Strong and no ones getting inside.Bought 1 then 2 more