Model # LX100-L

Internet #202339227

Lathem Left Keyless Entry Security Interior Door Lock-DISCONTINUED

Discontinued Lathem

Left Keyless Entry Security Interior Door Lock-DISCONTINUED

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Product Overview

The LX100 is an easy-to-install, keyless, proximity badge interior door lock designed for home business owners, hobbyists and small businesses looking for alternative to pricey access control systems. The LX100 operates as a stand-alone unit (perfect for gun owners) or as a multi-lock ‘system’. It fits standard interior doors, does not require the use of a computer and is powered by four “AA” alkaline batteries (not included). You simply replace your existing door handle with the LX100 and program badges to permit access (up to 120 badges per lock). For example, if you have two or more doors to protect, you can program a badge to open door #1, but not door #2. Operating a business out of your home. Own a small business and looking to install your own affordable system. Have a hobby room that you need to protect. The LX100 is available for right and left handed doors. If your door’s hinges are on the left, you require and LX100-L. If the hinges are on the right, you require an LX100-R.

  • The audio tone alerts when someone has gained access into the secured area
  • 5 - 2 in. x 3.5 in. badges, and 2 mechanical, emergency backup keys are included optional key fobs can be purchased separately
  • This heavy duty lock has a state of the art design and is made of stainless steel construction, and is user installable on most existing interior wood or metal doors
  • Operates for 1 year or 4,000 uses on 4 AA batteries (not included)
  • One year warranty

Info & Guides

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Assembled Depth (in.)
1.75 in
Assembled Height (in.)
6 in
Assembled Width (in.)
5.25 in
Cross bore diameter (in.)
Lever grip length (in.)
Lever housing height (in.)
Lever housing width (in.)
Maximum door thickness (in.)
Projection (in.)
Strike height (in.)
Strike width (in.)
Throw length (in.)


Application Type
Door Handing
Door Locks & Knobs Product Type
Door Handles & Pulls
Stainless Steel
Hardware Finish Family
Hardware Included
Lever material
Stainless Steel
Lever style
Lock Type
Stainless Steel
Minimum door thickness (in.)
Product Weight (lb.)
Security/ANSI Grade

Warranty / Certifications

Certifications and Listings
No Certifications or Listings
Manufacturer Warranty
1 Year Warranty

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Customer Questions & Answers

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Customer Reviews

Left Keyless Entry Security Interior Door Lock-DISCONTINUED is rated 4.3 out of 5 by 6.
Rated 4 out of 5 by from Almost Perfect Super easy to install, if your door already had similar setup (regular locks, door knob and etc.). It took me about 4 minutes without using of power tool. One very big flaw: if the handle on the inside got stuck (if the jam is not perfectly aligned with the door), you will never be able to open the lock, with emergency key or not. So make sure the lock is moving smoothly and handle is not stuck on the inside. Wish the card can be detected a little further away so I can leave it inside my wallet instead of taking it out every time. Bought a few so now I can open my house, office and other places with the same card.
Date published: 2011-08-06
Rated 4 out of 5 by from Clever, easy & a great access control alternative! I'm a landlord of a small building and needed to have control over 4 doors. I priced out a wired access control system and almost fainted when I saw the cost. I found these locks and they've been a great affordable alternative. I've supported locksmiths for a long time, but in this economy I was looking for a way to do it myself and cut out another bill. This lock was the answer. I control who has access to which office doors by programming badges on each lock and giving the badges to my tenants. The badges are also how you "program" the locks. I have a "master badge" and the tenants get "user badges". My master badge can change who has access, delete a user from a lock or program a badge to another lock. No computer involved, they use batteries and it took me 10 minutes to install one. The only downside is that I can't see a log of who's used the locks, but again I could have spent thousands to have that option. My tenants feel safer and love not having another key. I love having the control over the locks and not paying a locksmith bill even though I still use them for my exterior doors. Overall, I would recommend this lock to people with small scale security needs (1 - 5 INTERIOR doors) because it's very manageable and affordable. Another note: each lock comes with unique "back up" keys in case you miss the low battery indicator and wait too long to change the batteries. You need to store them in a remote, central location and label them "Dave's office", etc. Good product and a clever solution for small business people like me.
Date published: 2010-08-05
Rated 5 out of 5 by from Amazing....perfect product This lock was installed in 10 minutes, no glitches, & works perfectly. Exactly what I needed to secure an area.
Date published: 2012-08-14
Rated 4 out of 5 by from Love it I bought this door lock with high hopes. It was easy to install and easy to program. I think I spent about 30-45 minutes installing it as I had to chisel out a space for the strike plate as it was a little bit different. Also, i have only installed one other door lock. I purchased the key fobs so my wife and I could just hold our keys up to the sensor. My only disappointment is that the I have to put the fob right on the sensor. I was hoping the door would just unlock when I got a couple feet from it. Still love it though.
Date published: 2011-10-05
Rated 5 out of 5 by from The best keyless door lock. It has all the features you need for office security. It's so easy to install and operate, yet the price is so affordable. I bought lots of the keypad locks before, but this lock beats them all.
Date published: 2012-11-30
Rated 4 out of 5 by from Easy to use and effective Installation took about 10 minutes. The instructions are very straight-forward and the product worked exactly as advertised. Would recommend this product for people looking for electronic access control but can't afford electromagnetic doors.
Date published: 2011-12-27
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