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"Shake-To-Charge" Calculator
Product Number: CE-578
This calculator uses "Faraday’s Principle of Electromagnetic Energy" to operate. A magnet moving by a copper wire produces an electric current that powers the calculator – no batteries required! Shake it left to right non-stop 20-25 times, and enough electricity is generated to operate the calculator for 10 minutes. When the digits on the LCD screen dim, just shake it a few more times to recharge - your calculations won't be lost. Available with silver aluminum face plate, ergonomic rubber grip and keys, and a large transparent display window for viewing the charging mechanism. Calculators provide for an "interactive experience"". Gift boxed.
