Features:1. Easy to Use: Simple to use, the switch at the bottom can control the "REC", "OFF", and "PLAY" modes, and you can record any 10 second message and change the message at any time. When not using it, just adjust it to "OFF".2. Improved Design: Improved PLAY/OFF/REC control, built-in metal speakers and soft springs in the buttons, the playback volume is louder and clearer, and easier to press for children or small pets.3. DIY Your Own Buttons: There are 25 popular pet action stickers, including action + text. Paste the sticker on the button, which is convenient for pet training and more effective.4. Build The EVA Mats for Your Pets: Four mats can be placed in multiple locations for 8 dogs buttons, dog to press easily, and will not slide around when the pet press it. There are 2 ways to put the mats together, such as round and wave.5. Batter Included: Nothing is more disappointing than looking forward to using something just to see batteries not included, our dog training buttons come with battery.Specification:Material: ABSProduct Color: MulticolorPackage Size: 30 x 20 x 10cmPackage Weight: 900gBattery: IncludedPackage Included:8 x Dog Button4 x Mat2 x Stickers