Read this instruction before you get started to avoid damages and to make SureKey more effective.

LabTeam Innovations LTD takes no liability for any damages caused by not following this instruction, which may also void the warranty.

How It Works?

Thanks to the advanced MEMS (microelectromechanical system) sensor, SureKey tracks every movement of your key, no matter how small, in 3D by accelerometer, gyroscope, and magnetometer. Once you put in your key in the lock, the MEMS sensor wakes up the processor to analyze movement. No random motion can precisely repeat a key rotation in a lock, so there is no risk of an incorrect status.

When you want to check the current status, you just need to look at the device. The MEMS sends a notification to the processor that the position was changed to horizontal or vertical relating to the ground or was quickly rotated, indicated locked or unlocked.

Kit contents


2.Battery CR2016

3.Epoxy glue with a mixing end

4.Rubber band

5.Paper box (use it during setup)

Available configuration

  • Key type
    SureKey works with most of locks, both with standard and symmetric keys. In case of symmetric keys, the “Type of key” setting has to be changed. If the lock is only mounted on one side, the “None” setting has to be used.
  • Alarm notifications
    SureKey will generate alarm sounds if the key was left in the lock and/or if the door is left unlocked. Note: the alarm is only generating when any movement occurs inside the lock (it means that putting the key in won’t cause the alarm to be generated in itself).
  • Home position
    SureKey helps find the key if it doesn’t get put away in a previously defined place (labeled with a magnetic sticker) or if it doesn’t get hung. If the feature is enabled, the sound signal allows us to find the key and to remember to put the key away in the right place.
  • Status after change
    Upon changing the lock’s state (locked/unlocked), SureKey notifies about the current state using LEDs, sound or both.
  • Indicating the lock’s state
    When we’re using a lock where the initial position of the key is parallel to the surface, we have to move to the position shown in the figure below:

In other cases, indicating the lock’s state takes place by making a move to the position shown in the figure below.

A green LED means that the door has been locked, whereas a red LED means that the door is unlocked. At the same time, both diodes being on indicate an undefined state (only occurs after a complete configuration of the key cover).

In the event of the Door 2 management is enabled (Master-Key system or in the event of using two locks for one part of the door with the same key being used) the state indication first occurs for the Door 1, and then for the Door 2.


Do it step by step to start using SureKey! You can also take a look at our video manuals.

Step 1: Mounting the key inside SureKey

To see if your SureKey works correctly before the assembly, we recommend placing the battery in the insert and sliding it inside. A properly working device generates a short sound signal.

1. Slide the battery casing inside the key cover.

2. Place the key cover vertically in the mounting socket included in the packaging – with the key slot pointing up.

3. Before the assembly, make sure that the key fits inside SureKey and, if needed – clean the key’s surface.

4. Apply a rubber band on the key (wrap it around a few times) where the “toothed part” starts – right below the key’s bow. The rubber helps control the key’s level.

5.Open the glue, place the mixer on the tip and carefully apply the adequate amount of glue by inserting the end of the mixer into the key’s chamber.

Warning! The amount of glue applied depends on the key’s size, and the glue shouldn’t be used in its entirety, as it would cause the excess glue to ooze out. The formula below helps to determine the right amount of glue depending on the size of the key’s bow. The percentage of the glue used specifies how much of the glue should be applied inside before putting the key in.

Amount of glue = 3300 – (W x H x D)

Percentage used = Amount of glue/4000

W –the width of the key’s bow [mm]

H –the height of the key’s bow [mm]

D –the depth of the key’s bow [mm]

For instance, a key-sized 20x20x2 only requires slightly above half of the container’s contents (~60%). The bigger the size of the key’s bow, the less of the glue should be used.

6. Slowly place the key inside SureKey, adjusting the correct location until the glue sets (about 10-20 minutes). After that time, wait for another 10-20 minutes with the battery insert out. It is essential for the key’s position relative to the insert to be as perpendicular to the casing’s edge as possible. Otherwise detecting the lock’s state might be impossible.

7. Place the attached CR2016 battery in the battery insert, as per the figure, making sure the battery is correctly polarized – the label with + . Then put the battery insert back inside the SureKey

Step 2: Configuration

Use the button located in the upper part of the SureKey for changing the settings. Hold the button to enter the settings mode (the best choice for this task is a ballpoint pen or other object with a narrow tip – WARNING! The button has only to be pressed until it clicks – pressing too hard might damage the configuration button) for about 3 seconds –entering the settings mode is indicating with a loud sound signal. Warning! After 40 seconds without activity, the settings mode stops automatically. That’s why, to perform the configuration correctly, check the manual and fill out the table with selected settings before the configuration so that you can use your SureKey faster!

Selecting a particular option in the settings consists of shortly pressing the button the adequate number of times (x1 means one press, x2, x3, x4 mean two, three and four presses, respectively). After each change of settings, you should hear a confirmation sound. To leave the settings mode without saving, hold the button for about 3 seconds.

Warning: for the inside of the door, the “Show status” setting is not available. It is not possible to return or to only edit a particular setting, so any modifications require changing the settings like in a factory-new SureKey.

Sample configuration procedure

(1 door; lock on both sides; standard key; all the alarm notifications; find the key inside the house (the key on a hook or in a container with a magnetic sticker); generate a sound after a change of state; only show the status using LED):

1. Put the key in the lock on the outside of the door. Next, hold the button for about 3 seconds.

2. Press shortly to select the “Standard key” setting. Wait for a confirmation sound signal.

3. Press four times shortly to select the “All notifications” setting. Wait for a confirmation sound signal.

4. Press four times shortly to select the “All home positions” setting. Wait for a confirmation sound signal.

5. Press three times shortly to select the “Sound only” setting. Wait for a confirmation sound signal.

6. Press shortly to select the “LEDs only” setting. Wait for a confirmation sound signal.

7. We start calibrating the key. Press the button shortly to start. You should hear a short double sound signal, after which you have to turn the key until the lock gets locked (in most cases it is the moment halfway through a full turn of the lock).

8. After hearing a short sound signal, continue locking until making one full turn. SureKey announces a calibration error with an adequate sound, after which you have to return to the lock’s initial position and press the button shortly to turn again.

9. If the calibration was successful (announced with a confirmation sound – the same as when choosing settings), press the button shortly to start the settings for the lock on the inside.

10. Put the key in the lock on the inside of the door. Repeat paragraphs 2-6. Warning: on the inside, the “Show status” setting is not available.

11. Perform paragraphs 7-8. In the event of performing the calibration correctly, hold the button for long to accept the settings and leave the settings mode.

The operating time for a single battery depends significantly on the settings used. The settings structure chart shows the impact of a particular setting on increasing battery use.

–   This icon indicates affect to power consu mption (no icon means no affect; three icons mean significant increase)

After a successful configuration, SureKey needs to be tested for each lock. In some instances, it might be required to reconfigure the device or use additional magnetic identifiers for doors.

Closing notes

1. The device utilizes a magnetic field to determine the lock’s state, which is why direct contact with magnets and magnetized elements should be avoided. In some instances, upon contact with a strong source of magnetic field, the device needs to be recalibrated.

2. Low battery level will be announced with a modulated sound signal. For the device to work correctly, replace the battery with a new one according to the manufacturer’s recommendations.

3. If the device is not working correctly, the configuration process has to be repeated, making sure to perform the sequence carefully and to program theright moment for closing the lock (registering the lock’s behavior at this moment determines the threshold for detecting a change of state).

4. If the lock is only mounted on the outside, the settings for the inside have to be omitted, or the “None” option has to be chosen in the menu.

5. If the key is used in a Master-Key system for two doors or two locks were used on one side of the door, the Door 2 settings have to be programmed as well. In some instances (if Door 1 and 2 are arranged in parallel to each other), a magnetic identifier mounted by the lock has to be used.

6. Using the glue and waiting for it to set has to be performed in a well-ventilated room, and used components have to be secured and stored away in a place designated for that purpose.

7. The device registers the last state of the lock after using the key, whereas a movement outside of the lock to replicate a movement inside the lock might be registered as a false state.

8. A movement inside the lock should take at least 1 second, and detecting the lock takes about 0.2 seconds (the key in the lock’s initial position).

9. After about 10 seconds without any activity, the device goes into a standby mode and a movement is lasting for at least 2 seconds is required for the device to follow the key’s movement or to indicate the current state.

10. Closing the lock fluently with the maximum number of turns increases the accuracy of detecting the lock’s state significantly.



Full manual and warranty

Click here to download manual and warranty.

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