INTERLOCK SINGAPORE DIGITAL DOOR LOCKS
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​Gateman Specialist
Serving Singapore since 2008
Sales | Support | Service

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Korea #1 Digital Lock
Revised Oct 1, 2019 

We are often asked if we have a digital lock for the letter box.
​Our answer is NO .. but there is a better solution for letter box lock.
You do not want to have another digital lock and worry about batteries and replacement. It is also expensive for a digital lock! 

What you really want is going keyless and not having to worry about another set of batteries. 

Get a 3 digit numeric turn lock for your letter box. No batteries. Easy to use and no key!

Price (all inclusive, nett):
  • $40 if ordered and installed (same trip) with a digital lock for your main/gate/room door
  • $80 if ordered and installed alone.
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Feature:
  • High Quality and Absolute Security
  • Manufactured by Lock professionals
  • 3-Digit Combination Cam Lock
  • Made of Anti-corrosion, Durable Zinc Alloy
 
Specification:
  • Lock Type: Keyless Combination Cam Lock
  • Key combination: 3 Group Code (0-9)
  • Size(Length x Width): 42mm x 42mm
 
How to change password:
  1. Make sure the lock is open, (default code is 0-0-0)
  2. Find the pin hole on the side of the front lock turntable
  3. Find a pointed object (eg. mobile phone sim tray pin)
  4. Insert it into the hole and hold (if it does not give, turn knob to another position and try again) 
  5. Reset the code.​
Yale digital lock for Singapore Letter Box

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  • Home
  • Digital Locks
    • Gateman Brand >
      • Gateman G-Swipe
      • Gateman G-Touch
      • Gateman WF20
      • Gateman WV40
      • Gateman WV200
      • Gateman WF200
      • Gateman Lock Models Matrix
    • Samsung Brand >
      • Samsung 2920
      • Samsung H540
      • Samsung P930
      • Samsung DR900
    • BuildOne Brand
    • Ultraloq Brand >
      • Ultraloq U-Bolt Pro
      • Ultraloq UL3 Office & Home Room
    • Milre Brand >
      • Milre 500F
      • Milre 6000
    • Metal Gate Locks
    • Glass Door Lock
    • Accessories
  • Promotions
    • Single Locks Promotions
    • Door & Gate Digital Lock Bundles
  • How To Order
  • Contact Us
  • About Us
  • Blog
  • Services
    • Repair Service for Digital Locks in Singapore
  • Articles
    • PayNow Payment
    • Review: Gateman WF20 and G-Swipe comparison. Which is better?
    • Digital Lock for Sliding doors
    • Digital lock for Singapore Letter Box
    • What batteries to use for digital locks