YEEUU YCK3510 YEEUU K1 Smart Lock Box YCK3510 YEEUU K1 Smart Lock Box User Manual


  • Box Cover
  • Fingrprint Area
  • Touch Keyboard area
  • Box Base Screw Hole
  • Battery Compartment
  • 8 Screw Hole of Cat Eye
  • Storage Spacce

Product Parameters:
Identification Mode:
Fingerprint version:Fingerprint、Smartphone
Password version:Password、Smartphone
Fingerprint&Password version:Fingerprint、Password、

Box Material: Aluminum alloy

Box Space:98*68*11 mm

Operation Voltage:3.0-8.0 V

Emergency Power Supply Interface: TypeC

Battery Life: Up to 12 months

Operation Temperature: 20℃ ~ 70℃

Accessories List

Battery x3
Quick Start Guide x1
Drill Template x1

Self-Tapping Screw x4

Expansion Bolt x4
Expansion Screw x4

Flat Head Screw x1
Hexagon Nut x1
Anti-Collision Nut x1
Big Gasket x1

Shackle x1
Shackle Plate x1
M4 Screw x4

User Guide
Note: Make sure batteries are installed in the Battery Compartment.

Download the APP:
Login Google Play or App Store to search “YEEUU Smart”;
Download “YEEUU Smart” APP.

Initial State:
At initial state any fingerprint can open the box and the Initial
password is “123456”.

Keypad Description:
The “√” is enter, “X” is cancel.

Led Status:
The green light indicates successful identification;
The red light indicates identification failure;
The blue light flashes to indicate binding to app.

The yellow light indicates low battery;
The red light flashes quickly to indicate the key box is locked.

Frequently Asked Question
Opening box by APP fails
Check whether the batteries are loaded and working properly;
Check the networking status of mobile phone and perform
operation again; Remove the batteries and re-load; Try to
perform operation by approaching the box.

Opening box fails
Check whether the batteries are loaded and working properly;
Confirm whether the fingerprint and Password has been input
by APP;
Remove the batteries and re-load; Ensure that the finger is dry.
Yellow light flashes when open the box
Low power, please replace 3 new AAA batteries in time.

Red light flashes when open the box
If the fingerprint identification failure exceeds 15 times or the
password identification failure exceeds 6 times , the box will be
locked, please use APP to open the box or try to unlock the box
with fingerprint or password 15 minute later.
No response when open the box
Please check if the battery is loose; If the battery is dead, please
replace the battery.
Login/registration cannot be performed normally
Check whether the network running properly.

How to reset your device
Login “YEEUU Smart” APP; Select the device to enter into page;
Click the “Edit” icon at the upper right corner; Click “Remove
Device” to reset the key box.

Installation methods are optional:
①Fix by self-tapping screw
②Fix by expansion screw
③Fix by cat eye bolt
④Fix by shackle

① Fix by self-tapping screw: Applicable to wooden door
Self-tapping screw
1) Mark 4 circles on the wooden door in the
assistance drill template;
2) Open the box cover; make the screw hole on box
base align with the circles on the door, and screw in
the self-tapping screw.

2. Fix by expansion screw: Applicable to stone
brick, cement wall

1) Mark 4 circles on the wall in the assistance drill
2) Punch holes at the marked position with electric drill (Ø
3 drill bit), the hole depth shall be 30 mm; and insert the
expansion bolt;
4) Open the box cover; make expansion screw pass
through the screw hole and screwed into the expansion

3. Fix by cat eye bolt: Applicable to the door with
cat eye

1) Take down the cat eye and open the box cover; make the
flat head screw align with cat eye outside door, and make it
pass through the box base and door;
2) Make the big gasket pass through the screw inside the
door, and then screw down the hexagon nut and anti-collision nut.

4. Fix by shackle:Applicable to the door
with handle

1)Open the box cover; make magic shackle plate fixed on
the box by M4 screws;
2)Put box under the handle and insert the magic shackle in

YEEUU YCK3510 YEEUU K1 Smart Lock Box YCK3510 YEEUU K1 Smart Lock Box User Manual

FCC Warning
a § 15.19 Labeling requirements.
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
b § 15.21 Changes or modification warning.
Any Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
c § 15.105 Information to the user.
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
-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