Door Knob with Keypad Lock Keyless Electronic Pin Code - Child Proof

In this review the zincker Door Knob with Keypad Lock is evaluated as a practical, keyless upgrade for interior doors where child safety and simple access management matter most. The biggest reason to buy is its combination of a tactile, inverted droplet rotary knob and a reliable electronic keypad that supports one admin code plus up to 50 user codes, making it ideal for bedrooms, rental rooms and storage spaces where you want to avoid physical keys. Installation is straightforward and the unit includes backup options so it works even when batteries run low.

Key Features

• Keyless entry: Backlit keypad lets you unlock doors with a personal PIN so you can leave physical keys behind when managing access.
• Child proof access: Administrator control and up to 50 user codes make it easy to restrict or grant entry to children without changing mechanical locks.
• Durable construction: Zinc alloy mechanical components and a sweat and weatherproof finish provide solid durability for regular indoor use.
• Auto-lock and modes: Default 5s auto-lock plus optional Passage Mode and Silent Mode allow flexible behavior depending on whether you want the door to stay unlocked or to operate quietly.
• Emergency power and backup keys: A built-in Type-C port accepts a power bank for temporary power and two mechanical backup keys are included for full emergency access.
• Comfortable grip: The inverted droplet-shaped knob with anti-slip contours improves grip and makes operation easier for repeated daily use.

Who It's For

The zincker keypad door knob suits homeowners and landlords who need secure, keyless access for bedrooms, dorms, rental rooms or garage entries where mechanical keys are impractical. It is especially useful for families wanting to manage children's access to specific rooms like a garage workshop or gaming room without changing out existing door hardware.

People who need heavy-duty exterior weatherproofing or advanced smart-home connectivity should look elsewhere; this model focuses on interior security and standalone keyless control rather than Wi-Fi or smart hub integration.

Pros & Cons

Pros

• Easy to program and manage up to 50 user codes, suitable for multi-user scenarios.
• Solid zinc-alloy build with a comfortable anti-slip rotary knob for everyday use.
• Convenient emergency options including Type-C temporary power and two backup keys.
• Flexible modes such as Passage Mode, Silent Mode and 5s auto-lock for different privacy needs.

Cons

• Designed for standard interior backsets and thicknesses; not intended as a full exterior weatherproof lock for long-term outdoor exposure.
• It does not provide direct smart-home connectivity, which limits remote management features.

Specifications

Lock type	Keypad electronic latch with key backup
Materials	Zinc alloy mechanical components
Codes supported	1 admin code + up to 50 user codes
Auto-lock	5 seconds after being opened (default)
Power	4 x AA batteries (up to 2 years) with Type-C emergency power input
Door compatibility	Standard backsets 2 3/8 in to 2 3/4 in; door thickness up to 2.5 in
Emergency options	2 backup mechanical keys included

Our Verdict

The zincker Door Knob with Keypad Lock is a well-rounded interior keyless knob that balances convenience, durability and child safety. It is a strong choice for households, landlords and dorm managers who need straightforward access control without smart-home complexity. Given its sturdy zinc-alloy build, multiple user codes and emergency power options, it offers good value for anyone replacing interior knobs to reduce reliance on physical keys.

Frequently Asked Questions

Does it require wiring?
No, the lock runs on 4 AA batteries and can be temporarily powered via the Type-C port if the batteries are depleted.

How many passcodes can I store?
It supports one administrator code and up to 50 user passcodes for flexible access management.

Will it fit my door?
It fits standard backsets from 2 3/8 in to 2 3/4 in and door thicknesses up to 2.5 in, and installs with basic tools.