Gigantic Piano Mat Factory in China Supplies Gigantic Keyboard Mat, Dance Mat, Record, Play Back, Demo, Play Modes, 8 Musical Instruments.Product Specifications: Adjustable volume 8 musical instruments to change tone 4 modes to select: record, play back, DEMO, playInformation: Battery: 4 x 1.5V âAAâ (not included) Package Size: 86 x 8 x 40 cm Mat Size: 180 x 74 cm Item SLW928 Name: Gigantic Keyboard Playmat Series: Instruments Touch sensitive