This complete keyboard package includes the classic tones of the Yamaha NP31 Portable Digital Piano, with the key essentials of Yamaha’s D2 Survival Kit, which includes a power adaptor, foot switch, headphones, and a DVD with plenty of learn to play software, digital owner's manuals and information on other Yamaha products. Plus, you also receive a two-year extended warranty and over $200 of rebate coupons on great Yamaha instruments and accessories. Yamaha NP31 Piaggero Digital Piano The Yamaha NP31 Piaggero gives you classic Yamaha piano tone and 76 full-sized keys in an ultra-portable package weighing in at just 12 pounds. Operating on just 6 AA batteries (not included), you don't even need a power outlet to play your piano anywhere your music takes you. The NP31 has an easy-to-use panel design with dedicated voice-select buttons. Built-in metronome with adjustable tempo and time signature appeals to the pianist who knows that practice makes perfect. The NP31's Graded Soft Touch Action emulates the graded resistance of an acoustic piano, only without the added weight of hammers. The combination of its 76-key Graded Soft Touch Action, ultra portability, and Yamaha's legendary stereo sampled grand piano, make the NP31 the ultimate practice piano for the intermediate player.