SEIKO Electronic Dictionary Kojien, Sixth Edition SR610 - Model: SEIKO SR610 - Color: Silver - Power: Uses 2 AAA batteries (not included for safety) Power on has been confirmed as shown in the photos, but detailed operation has not been checked. Purchased in 2010 and almost unused, but it has been stored at home, so please refrain from purchasing if you are sensitive to this. Easy-to-use design for electronic dictionary beginners and the elderly. With a hiragana 50-sound key layout, it's easy to use even for those who find Roman alphabet input difficult. No complex operations are required, and the characters are large, making it very popular with the elderly.