1. Used water power battery, energy-saving and environmentally-friendly. 2. Pass CE*ROSH. 3.no need battery,Pollution-free.

 Product Item:XD-666

•QTY:100PCS

•G.W/N.W:8.5/7.8KGS •Product size:110*76*20mm •Meas:44.5*25*26cm •package:pp bag+instruction+white box  

 Features:

 1. It is a fashion item with newest design, the power is just water, not need traditional battery. The calculator can be easily used without traditional batteries, electricity or any other power source.

2. As a truly green product, it's an all natural wonder, pollution-free and environmentally friendly. Just pour a little water (or any liquid, even beer!) into the tubes on the back of the calculator.

3. An exclusive state of the art energy converter extracts electrons from water molecules to form a steady stream of electric current which act as fuels to generate electricity which drives the calculator.  

4. To maintain a constant supply of energy simply refill as the water evaporates every 2 to 3 months. The water battery has a minimum continuous life of at least 2 years. In addition to this, the water battery (unlike all other conventional batteries) can be stored in its dry state indefinitely and can be left to dry out at any time during its life.