Specification: Item Type: Pet Training Buzzer Material: ABS Quantity: 4pcs Sounding Mode: YES x 2, NO x 2 Battery Type: Each Requires 2 x AAA Batteries (Not Included) Use: For promoting communication with your pet Package List: 4 x Pet Training Buzzer (Batteries Not Included) Note: Recording is not supported.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. CONVENIENT TO USE: The buzzer is placed individually in the home according to the text recorded on the training buzzer. TRAINING BUZZER: Communication buttons can be used for pet training. Bring some joy to your home with these cute noise buttons. 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. 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). CONVENIENT TO USE: The buzzer is placed individually in the home according to the text recorded on the training buzzer. TRAINING BUZZER: Communication buttons can be used for pet training. Bring some joy to your home with these cute noise buttons. 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. 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).