Recordable Buzzers -- The Record button allows you to record up to 30 seconds of sound. The playback is clear. And the voice recording can be changed. So, it can be applied for many times. Train Your Pet -- The buttons can record many commands, such as walking, water, playing and more, so you can train your pet to press buttons when they want to do corresponding activities. Quality Materials -- Our talking buttons are made of quality ABS plastic. 2 AAA batteries not included. Please tell us the color you want befor e shipment. Otherwise, Shipped randomly. Very Practical and Fun -- These sounds buzzers offer a lot of unexpected entertainment and interaction,interaction with friends or colleagues in snatch and grab games, pranks between friends, communication training with pets. Easy To Use -- Press the REC button and start recording when you hear a beeping sound. Release the REC button when recording is complete and hear 2 beeps to signify the end of recording. Press the button to hear your recorded sound.