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 operation.
Any Changes or modifications not expressly approved by the
party responsible for compliance could void the user's
authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is
The App connects the Buidu Blue Button.
With signal strength, the App get the distance between
the phone and the chip and alarm when beyond safe zone.
When the connection is established, you will see the blinking of
the LED light from the bottom of the device