YEEUU K4 Smart Lockbox User Guide

YEEUU K4 Smart Lockbox

K4 Smart Lockbox
Specifications

• Battery Specification: LR03 R03

• Operating Environment: Avoid direct sunlight, humidity, or freezing weather

• User Guide
  We are committed to ensuring you have a smooth setup experience.

• IMPORTANT NOTES
  Please read the below precautions carefully for better use.

• Factory Default Mode
  K4 is not bound to the App. Any fingerprint and initial code 123456 + can access it.

• Fingerprint Identification
  Dry, wet, oily, or dirty fingers may affect the identification of fingerprints. The old and the young have shallow fingerprints, which may make the K4 recognition system less sensitive.

• Battery Specification
  Both AAA3 and CR123A2 batteries are supported. Be sure to use AAA Alkaline Batteries (LR03 marked on the package). Do not use Zinc-carbon Dry Batteries (R03 marked on the package) o Rechargeable Batteries. Please do not reuse the old batteries when replacing new batteries.

• Operating Environment
  Please avoid using K4 in direct sunlight, humidity, or freezing weather.

Product Usage Instructions

Initial Setup

1. Remove the packaging and protective cover from the K4 Smart Lockbox.
2. Insert the required batteries (AAA Alkaline Batteries) into the designated battery compartment.
3. Close the battery compartment securely.
4. The K4 Smart Lockbox is now ready for use.

Fingerprint Registration
To register a fingerprint for access:

1. Press the fingerprint registration button on the K4 Smart Lockbox.
2. Place your finger firmly on the fingerprint sensor.
3. Wait for the K4 Smart Lockbox to confirm successful fingerprint registration.
4. Repeat the process for additional fingerprints if desired.

Code Setup
To set an initial code for access:

1. Open the K4 Smart Lockbox using the default code (123456).
2. Press the code setup button on the K4 Smart Lockbox.
3. Enter your desired code using the keypad.
4. Confirm the code by re-entering it.
5. The new code is now set and ready for use.

Accessing the K4 Smart Lockbox
To access the K4 Smart Lockbox:

1. Place your registered finger on the fingerprint sensor or enter the correct code using the keypad.
2. If the fingerprint or code is recognized, the K4 Smart Lockbox will unlock, allowing access to its contents.

FAQ

1. Q: Can I use rechargeable batteries with the K4 Smart Lockbox?
   A: No, please do not use rechargeable batteries. Use only AAA Alkaline Batteries (LR03) as specified in the user manual.

2. Q: What should I do if my fingerprints are not being recognized?
   A: Ensure that your fingers are clean and dry before placing them on the fingerprint sensor. If the issue persists, try registering your fingerprints again.

3. Q: Can I change the default code?
   A: Yes, you can change the default code by following the code setup instructions provided in the user manual.

4. Q: Is it safe to use the K4 Smart Lockbox in extreme weather conditions?
   A: No, it is not recommended to use the K4 Smart Lockbox in direct sunlight, humidity, or freezing weather. This may affect its performance and durability.

IMPORTANT NOTES

Factory Default Mode|

• K4 is not bound to the App.
• Any fingerprint and initial code “123456 + ” can access it.

---|---
Fingerprint Identification|

• Dry, wet, oily, or dirty fingers may affect the identification of fingerprints.
• The old and the young have shallow fingerprints, which may make the K4 recognition system less sensitive.

Battery Specification

|

• Both AAA3 and CR123A2 batteries are supported.
• Be sure to use AAA Alkaline Batteries (LR03 marked on the package). Do not use Zinc-carbon Dry Batteries (R03 marked on the package) or Rechargeable Batteries.
• Please do not reuse the old batteries when replacing new batteries.

Operating Environment

| Please avoid using K4 in direct sunlight, humidity, or freezing weather (<-20℃), which may cause temporary dysfunction or shorten its life.

Overview K421/K471

Installing Shackle

• Opening the lockbox and press the switch shown to remove the shackle.
• Depending on the situation, there are three  levels of distance when the shackle is installed.

INSTALLING BATTERIES

• Remove the battery compartment shown.
• Install AAA3 or CR123A2 Batteries, get the battery compartment back, and tighten the battery compartment screw.

Overview K420/K470

• Installing Expansion Screws
• Installing Self-tapping Screws
• Cement and brick wall adapter.
• Punch holes as shown, and install the Plastic Expansion Tube.
• Place the lockbox in the installation position and screw in Plastic Expansion Tube with expansion screws
• Wood and softer surface adapter.
• Place the lockbox in the installation position, and tighten the Self-tapping screw.

INSTALLING BATTERIES

• Remove the battery compartment shown.
• Install AAA3 or CR123A2 Batteries, get the battery compartment back, and tighten the battery compartment screw

If you want to apply 3M Tape to glass or metal.

• We recommend the 3M Type on our website for installation.
• It is recommended this method when security requirements are flexible

TECHNICAL PARAMETERS

• Product Name:
  • K4 Smart Lockbox

Power Supply & Operating Environment：

INSTRUCTIONS

1. Permission Settings
   Please select the corresponding lock device on App and connect it. Follow the UI prompts to set and manage the member, fingerprint, NFC Fob, and code.
   You can manage the corresponding fingerprint, NFC Fob, and code permissions of members after selecting them.

2. App Management
   For Bluetooth access, the smartphone must be within 5 meters of K4 and ensure Bluetooth and K4 are connected. The effective distance of Bluetooth will be affected by barriers such as walls, especially metal walls. At the same time, the Bluetooth signal will also be affected by the surrounding wireless environment. These effects can be reduced by being closer to K4.

3. Fingerprint Access
   Place an authorized finger on the Fingerprint Reader to access it. Please use the central area of the Fingerprint Reader while keeping the fingerprint clean. The old and the young have shallow fingerprints, which may make the K4 recognition system less sensitive.

4. NFC Fob Access
   Place the authorized NFC Fob in the Fingerprint Reader for identification.

5. Code Access
   Enter the code, and press “ ” to unlock K4. Setting the valid time for codes and even adding cycle functions can be done in the App.

6. Anti-Peep Keypad
   To prevent others from peeking at your code, you can enter any number to enhance security before entering the right code. Eg: ‘X…X(Infinite)+6-digit real code+ ‘

7. Trial & Error Lock
   Dead Status: K4 will reject identifying any fingerprint, NFC Fob, or code after repeated identification errors, which can effectively prevent unauthorized members from violent unlocking. Trigger Conditions: K4 will lock for 5 minutes after 10 consecutive failed accesses (fingerprint/NFC fob/code) within 2 minutes. K4 will flash the RED indicator 5 times for any access during the period. Recovery: You must wait 5 minutes or unlock it in advance using the App.

8. Low Battery Alarm
   Low Battery Alert: When the battery is almost dead, the red light will flash for 1 second after unlocking. It can be used approximately 30 days normally after the initial alert. Low Battery Locked Status: If the batteries aren’t replaced in time, the LED Indicator will flash RED 3 times when unlocking, but it cannot be accessed.

9. Reset the Lock
   Select the device on the App and click ” Remove Device ” to reset K4. Note: All data will be erased if you reset K4 to Factory Default Setting.

10. LED Indicator

    • Red Light: Failure or abnormality.
    • Green Light: A successful operation.
    • Blue Light: The setting state.

NEED HELP?
Please contact us for technical support if viewing the user guide can’t solve your problem.

FCC Caution

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

• If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

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