NO SUPPORT FOR CUSTOM RECORDING: Training buzzer has pre recorded sound effects; 2 YES buttons, 2 NO buttons, it doesn't support for custom recording. TRAINING BUZZER: Communication buttons can be used for pet training. Bring some joy to your home with these cute noise buttons. CONVENIENT TO USE: The buzzer is placed individually in the home according to the text recorded on the training buzzer. MULTIPURPOSE: Communication buttons can be used as a parent child interactive toy. They can be used as educational language toys for children. Can be used as a gramophone between writers, companies and friends. EASY TO USE: Training buzzer is made of ABS material, safe and durable. Small size and easy to carry. Each button requires 2 x AAA batteries (not included in the package).