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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: OSPON
  • Model Number: OS38D
  • Usage: office,household,apartment,school,hospital
  • Material: zinc alloy
  • color: Antique bronze,Antique copper,chrome plated,zinc plated,gold plated
  • power supply: no need
  • Item: Mechanical Code Lock
  • Door thickness: 35-55mm
  • Dimension: 108mm*44mm
  • Weatherproof: Yes
  • Sample: Available

Packaging & Delivery

Packaging Details 10 pcs/csarton carton size:45*24*30.5cm



     Ospon enterprise is expert in developing & production  RFID locks,Digital locks,NFC locks,Biometric locks,Digital safes,NFC safes,Biometric safes,Biometric car security system and other related security&electronic products.



1th Generation


Mechanical pushbutton door lock

 Video of changing code of this lock https://www.youtube.com/watch?v=jUYR6_GRgek

(Scan to watch the video on youtube)



OS3388D mechanical entrance code door lock, Keyless Mechanical Digital Latch Door Lock 






Losing your house keys can be a real headache. Not only do you have to worry about paying a locksmith to help you get into your own home or business,but replacing your locks can be tedious and time consuming too.Luckily,here comes one of the most efficient high-tech door locks on the market. With this password door lock,you won't have to worry about lugging your keys around, or strangers unexpectedly making their way into your home or business.

This is a high-quality Mechanical, Keyless door lock which do not require wires, batteries or electricity. It is perfect for new doors and easily replace existing hardware on your current doors. It provide Keyless Security, is easy to install and use, fit most doors and is weather resistant.



Simple instruction

  1. 100% mechanical operation
  2. keyless entry door lock
  3. fits in both right & left opening doors 
  4. premium quality - durable commercial grade
  5. color: satin nickel
  6. heavy-duty, all-weather keyless entry system
  7. no batteries or external power source or any circuit needed 


Details Features

  • fits in both right & left opening doors
  • preset with code (can be changed - see instruction manual)
  • code is required for all entries 
  • no backup keys are provided - please remember your code so that you won't be locked out
  • heavy-duty, commercial grade quality for maximum security
  • 100% mechanical operation is both reliable & durable
  • no batteries or external power source needed
  • all-weather design for installation at any location
  • includes complete installation hardware
  • detailed installation guide & operation instructions
  • finish: stain nickel
  • front & back panels are of the same measurement
  • fits door thickness: 1-3/8" to 2 3/8"
  • backset: 2-3/8"
  • packaged in white box or color box







Technical Information


Material :

Zinc alloys

Dimensions :

Password Door Lock:
- Approx. 41 (W) x 142(H) mm
- Approx. 1-5/8” (W) x 5-5/8” (H) inch
Rubber Cushion:
- Approx. 51 (W) x 152(H) mm
- Approx. 2” (W) x 6” (H) inch






 Package includes


1 x Keyless Mechanical Password Door Lock (Silver)
1 x Back Plate
1 x Tubular Latch Mortise
2 x Neoprene Seals
1 x Strike Plate
1 x Strike Box
1 x Installation Kit
1 x User Manual









How to change lock to passage








Useful knowledge of installtion






Steps of changing password







Police station,hospital,houses,schools,condo...



Usage instructions


There is very details instruciton together with lock




After sale service


One Year Consumer Limited Warranty
Our products are warranted to be free from defects in materials or workmanship for 1 year from the date you receive. Within this period, ospon will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts, provided the customer shall be responsible for any transportation cost. 


This warranty does not apply to:

(i) cosmetic damage, such as scratches, nicks and dents;

(ii) consumable parts, such as batteries, unless product damage has occurred due to a defect in materials or workmanship;

(iii) damage caused by accident, abuse, misuse, water, flood, fire, or other acts of nature or external causes;

(iv) damage to a product that has been modified or altered without the written permission of ospon

Transaction History of the Supplier

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Transaction Overview


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China (Mainland) | Trading Company
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Supplier Assessments:
40 Transactions 110,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $36,000
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