Keyless Entry Door Knob Smart Keypad Door Lock with Code Zinc Alloy
US$80.98
Arrives as soon as ✓ Free shipping — over $200Description
Product Details Color:ST-81 Black Item Dimensions:2.83 x 5.12 x 5.12 inches Item Weight:3.2 pounds Control Method:Touch Included Components:Exterior Assembly with keypad *1、Interior Assembly ...
Delivery & Returns
Free shipping $200+
Orders of $200 or more ship free. No code needed.
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Drumford
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Product Details
- Color:ST-81 Black
- Item Dimensions:2.83 x 5.12 x 5.12 inches
- Item Weight:3.2 pounds
- Control Method:Touch
- Included Components:Exterior Assembly with keypad *1、Interior Assembly with knob*1、Latch (adjustable for 2-3/8"" or 2-3/4"" backset) *1、Strike plate *1、Strike box *1、Physical backup keys*2、Interior assembly mounting screws M4.0*45 3PCS、Latch/strike screws M4.0*20 4PCS、Knob screws M3.0*10 3PCS、Spare screw set (1 knob screw + 1 interior assembly screw) *1、Drilling template paper *1、User manual *1
- Number of Items:1
- Unit Count:1 Count
- Model Name:ST-81 Black
- Model Number:ST-81
- Shape:Rectangular
- Number of Packs:1
- Item Highlight:Type-C Temporary Power Supply 20 User codes Vacation One-time Passage Mode Anti-peep Key Backup Fits Standard US Doors.
- Lock Type:Keypad
- Style Name:This smart lock is designed to match the most popular exterior door styles in American homes today. The matte black finish pairs perfectly with black-framed windows, dark porch lanterns, and oil-rubbe…
- Material Type:Zinc
- Finish Types:Polished
About this item
- Advanced DurabilityHeavy-duty zinc alloy built to endure 250,000+ cycles test (ANSI Grade 3). 13+ month 9V battery life with low-power alerts. Battery not included.
- Vacation Mode + Rekey + Silent Mode Vacation mode limits entry to programming code and key only. Rekey lets you change the cylinder to match a new key (Kw1 keyway)—professional locksmith and specialized tools required, not a DIY task. Silent mode turns off all beeps.
- Security + DIY Install Keypad locks out for 1 minute after 5 failed attempts. Low-battery alert reminds you to replace the 9V battery. Fits doors 1.37″–2.17″ thick, 2-3/8″ or 2-3/4″ backset, with a 2-1/8″ (54mm) door hole，installs in 15 minutes with just a screwdriver.
- Keyless & Key Access for All Manage access for the whole family with up to 20 customizable user codes (4-8 digits). Assign permanent codes for family members, temporary codes for guests, or a single-use code for service personnel. For added peace of mind, the lock also includes 2 physical keys and a 6-digit Programming Code for complete control, even in Vacation Mode .
- Auto-Lock + Passage Mode Auto-locks in 5 seconds (adjustable 2–99s). Press the top two buttons on the interior assembly to switch to Passage Mode—free entry with just a knob turn from outside. Perfect for gatherings or hands-free access.
Shipping Policy
Drumford ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Drumford will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@drumford.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Drumford replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.