![background image](http://html1.mh-extra.com/html/yeeuu/s170/s170_installation-and-operation-manual_3262576002.webp)
Do not install the batteries before installing the lock!
Install and test the lock with the door open to avoid being
locked out.
Please follow the instructions in sequential order.
Please read all the instructions before contacting custom-
er support.
You must use 3 AAA Alkaline Batteries, do not use Lithium
or Rechargeable Batteries.
For after-sale services,
please contact with [email protected].
Important Notes