How do I locate my device's serial #?

If you still have the packaging associated with the Knocki, the unique serial number of a Knocki device can be located beneath the bottom bar code of its product packaging. as shown below.  

If the packaging is not available, Knocki's serial number can alternatively be found by removing the batteries and looking in the battery slot that is third away from the power switch.  The serial number is shown beneath the white bar code, as shown below.