Key fob has a single multifunctional button.
LED indicator RGB is located under the button.
A sound element (buzzer) for audible signals and alarms, is located inside the case. This module is not connected to the main board.
The Bluetooth antenna is located on the main circuit board.
The RFID antenna with the control unit can be found under the top cover.
Red, green and blue LED indicators
Bluetooth 4.0 USB Dongle