Yamaha SLG200N Nylon String Silent Guitar (Natural) Width: 356mm / height: 970mm / Depth: 87mm / Weight: 2.1kg Body material: Mahogany / rod: Mahogany / fingerboard: rosewood / under bridge: Rosewood / frame: Rosewood & Maple Power supply: power adapter (PA-3C * sold separately) or alkaline AA batteries, nickel-metal hydride battery Accessories: Soft case, stereo inner earphones, AA batteries x2 this power adapter is sold separately (PA-3C) English Product site URL:http://usa.yamaha.com/products/musical-instruments/guitars-basses/silentguitars/slg200n/?mode=model