Solar Cell Calculator with Memo Pad 1.Brand new good quality 2. ... magnetic power, no paper, and no pen needed(3) Dual solar and battery power(4) Eco-memo pad with writing area ... of 99 x 53mm(5) Clock operated by solar 2x AG13 button cell Specification: Color:Black, white, grey, blue, greenSize: ... best service to our customers!Thanks for looking! 2012 New Solar Cell Calculator with Memo Pad