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Security Electronic Digital Keypad Door Lock MRDJ Left Hand

$149.99  $84.99
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This electronic password access lockset is a standalone cylindrical door lock. The lock fits most cylindrical or knob types of predrilled standard doors. It is widely used for all kinds of doors, including residential households, apartments, warehouses, airports, office buildings, and many other doors. It's the newest design and most solidly built cylindrical lock on the market. The lock is programmable for 10 independent users and changing the access code takes less than 30 seconds! Never fumble for keys again! Give a temporary code to friends, visitors, house keepers, employees, or anyone for any reason!

The lock will mechanically automatically lock itself when the door is closed. From outside, you can turn the handle but the door will be locked. The only way to unlock the door from outside is by key or code. From inside, just turn the handle and unlock the door. It works like a regular lock, no key or code needed.

Main features:

  • 1 unique master code; 9 groups of user codes; each code can have up to 13 digits; modify code in seconds
  • Cast steel buttons that resist wear and sunlight
  • Solid structure design for security and durability
  • Low battery alarm
  • External power capability
  • 3 manual override keys
  • Tamper-proof error function, vandal-resistant lever design
  • Alarm after 5 failed code attempts
  • Easy installation only need a Philips screw driver to install on a predrilled door in less than 15 minutes
  • Up-to-date material for stable and durable performance
  • Weatherproof
  • One year warranty

Technical parameters:

  • Suitable for door thickness: 1 3/8" to 2" (35~50mm) 
  • Standard 2 3/8" backset  (2 3/4" backset is available upon request)
  • Requires 4 AA 1.5V alkaline batteries (included)
  • Service life of battery: approx. 20,000 times (up to two years)
  • It will alarm for low power supply and can still open for approx. 50 times

Product Dimensions:

  • Length: 7 7/8"
  • Width: 2 1/2"
  • Depth: 1"
  • Latch center to top: 4 1/2"
  • Latch center to bottom: 3 3/8"


  • Length: 4"
  • Width: 2 1/4"
  • Depth: 3/8"
  • Latch center to top: 2 1/4"
  • Latch center to bottom: 1 3/4"

Package Content:

  • One Security Electronic Digital Keypad Door Lock (M-RDJ left Hand) Retail Box

How to select the correct lock:

  • Left-hand or right-hand lock: when looking at the door from OUTSIDE, hinges on left indicate a left hand door, hinges on right indicate a right hand door.
  • There are two popular backset sizes for pre-drilled doors. Measure from the handle center to the edge of the door: one size is 2-3/8" and the other size is 2-3/4 ".

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