The new Piaggero NP series gives you classic Yamaha piano tone and 76 full-sized keys in an ultra-portable package weighing in at just 12 pounds (NP-31). Operating on just 6 AA batteries, you don't even need a power outlet to play your piano anywhere your music takes you. Yamaha has added a new 61-key model (NP11) and 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 without the added weight of hammers. Slim, Light & Compact Design Graded Soft Touch Keyboard Advanced Wave Memory (AWM) Stereo Sampling Built-in Stereo Speaker System Piano Preset songs Battery Power or Optional AC adaptor Auto Power Off mode "The perfect solution for those wanting a light, simple, and stylish portable piano" Yamaha's legendary stereo sampled grand piano voice gives true, realistic tone, whilst the compact dimensions and light weight of the NP31 make this instrument a truly 'personal' piano. Includes 3 year warranty, music rest, power adaptor. WE ARE ATWATERS MUSICWORKS AUCKLAND. PROUDLY HELPING NZ'S MUSICIANS FOR OVER 85 YEARS.