<p><b>Features:</b> <br>Blutooth/APP unlocking mode <br>The secret key can be shared remotely <br>Can check the location of unlocking <br>Scan code lock and wake lock <br>Material: 6061 aluminium alloy lock body <br>Service life: 2 years <br>Waterproof: IP66 <br>Working voltage: 2.5-4.2V <br>Working temperature: -20 ~ +70 <br>Product size: lock body 64mm*33mm*25mm <br>Cable length: 39.4 inches <br>Weight:341g</p> <p><b>How to use ?</b> <br>1.scan QR code（QR code on the manual ）and download the "OKLOK"app.(compatiable with IOS, Android) <br>2.turn on the location service and bluetooth. <br>3. Register-enter the email address to get the verification code.（Register in the app) <br>4. enter the code and set up an password.Then signin. <br>5.Turn on the power button of the Bluetooth lock (black button on the Bluetooth lock)scan the QR code to connect with your lock(this QR code is in your <br>packaging box, it is under the Bluetooth lock） and you can name your lock. <br>6.unlock the lock by using the app(Press the sensor of the bluetooth lock and click"Unlock"Button in app),then the bluetooth lock is unlocking. <br><b>Note : Please read the user manual carefully before using.</b></p><p><b>What in the Box</b> <br>1*Bluetooth Smart Lock <br>1*User Manual</p> <p><b>WARRANTY</b> <br>Our products support Two-year warranty and Three-month return policy,If you need <br>troubleshooting or technical support,please feel free to contact us.we are here to make sure <br>you get the best customer service</p>