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ALARM LOCK  |  SKU: ARL-DL4100-26D

Alarm Lock - DL4100-26D - Weatherproof Trilogy Digital Keypad Lock with Privacy Feature and High Capacity Audit Trail - Satin Chrome Finish

$60955 $86094
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Delivery and Shipping

All orders are shipped between 24 hours or less Monday through Friday from 9:00 am to 6:00pm. Orders placed after 5 p.m. EST will be shipped next business day. 
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Return Policy

At Locksmith Keyless, we prioritize your satisfaction and offer a simple return process. Returns are accepted within 30 days of purchase for unused items in original packaging. Certain items, including OEM keys, Lishi tools, and customized orders, are non-returnable. A restocking fee of up to 30% may apply. For a full list of non-returnable items and more details, please refer to our complete return policy.

For damaged, missing, or incorrect items, please contact us within 48 hours of delivery. All returns require an RMA number. Shipping costs for returns are the responsibility of the customer.

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Description

Alarm Lock - DL4100-26D - Weatherproof Trilogy Digital Keypad Lock with Privacy Feature and High Capacity Audit Trail - Satin Chrome Finish

Standalone Trilogy® locks with privacy/lock down pushbutton on inner door (mortise & cylindrical pin or pin/prox models).

The DL4100 Series is similar to the DL3200 features plus many other additional features.

  • Interior LED on the inside housing indicates when the privacy session is active
  • Rest assured knowing that you are safe within the room, while locking out unauthorized users.
  • 2000 PIN or PIN/Prox user codes; 500 scheduled events; 40,000 audit trail
  • Privacy Pushbutton – Push button on inside door to temporarily lock-out keypad codes (programmable option)
  • Occupied and multi-status LED indicator, flashes when privacy session is active
  • Self-stick instructional signage, supplied (bilingual)
  • Keypad or PC programming/reporting
  • Right- or left-hand, classroom or deadbolt function models
  • 1-3/8” mortise cylinder & ASA strike, matching function supplied, only with 4500 Series
  • 5AA battery-pak operated; 60,000 cycles, typical
  • 3 Architectural finishes (US3 polished brass, 26D satin chrome, 10B duronodic)
  • Weatherproof -31˚ to +151˚F (-35˚ to +66˚C)
Product Specifications:
Vendor Napco Security Technnologies
Manufacturer Alarm Lock
SKU DL4100 US26D
UID ALA100DL4100US26D
Grade Grade 1
Installation Commercial
Unit of Measure Each
Base Material Brass or Bronze
Technical Specifications:
Series Name Trilogy
Lock Platform Cylindrical Lock
Reader Technology Keypad Only
Keypad Type Electronic
# Users 2000
Cylinder Type Conventional Cylinder
Door Thickness 1-5/8 In. to 1-7/8 In.
Latch Backset Dimension 2-3/4 In.
Strike Type T-Standard and ASA
Power Battery Pack
Programmer Optional
Software Optional
Product Type Cylindrical Locks with Keypad Trim

Reviews

We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.

93% of customers rate this company 4- or 5-stars
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Russell R. Verified Customer   
11-05-25

Absolutely do not do business with this company. If you are not available the day they ship UPS will return the product and they will ask you for additional money to ship again. Stay away from them and the customer service people are rude and mistreat you if you don't have the same ethnicity as them.

Customer Service
1 / 5
Delivery
1 / 5
Price
1 / 5
Ivan T. Verified Customer   
11-04-25

Good

Reply from locksmithkeyless.com

Thank you so much for your positive feedback! We're really glad to hear that everything went well and that you're satisfied with your purchase. If you ever need assistance or have any questions while using the machine, feel free to reach out we're always here to help. We truly appreciate your business!

Customer Service
5 / 5
Delivery
5 / 5
Price
5 / 5
John D. Verified Customer   
11-04-25

Everything was fine with shipping & transaction. I have not gotten the keys to the independent automotive locksmith to get them programmed yet.

Reply from locksmithkeyless.com

Thank you so much for your feedback! We're glad to hear the shipping and transaction went smoothly. Once you have the keys programmed by the locksmith, feel free to let us know how everything works out we're always here if you need any assistance. We truly appreciate your business!

Delivery
5 / 5
Price
5 / 5

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