1. Eco-friendly products
2. No batteries require
3. Water driver
water driver
Combining creativity, interest, environmental protection and experience science is the biggest feature of water driver products. You can fill your hands with water
Make the product generate kinetic energy; you can observe the flow of water in the transparent housing and increase the fun; you use the water battery production
At the same time, it is also saving several traditional batteries for the earth and participating in environmental protection actions!
1. There are three color for water power calculator~
2. Different angle ~ Put into water to make calculator ON (No battery inside)
3. Side view ~ light & safe ~ no leakage
1. Inject 10 ml (cc) water
2. No water change
3. Two (2) years life
4. No battery, No poison
System>
1. The spotlight of water-powered system is on Innovation, Fun, Environmental, and Science Experience.
2. You can input liquid (H2O) into the system to generate stable voltage.
3. There is a transparent window to view the water flowing when using water-powered calculator.
4. And these green material are much more eco-friendly compared to traditional batteries when they are discarded.
1. Solar calculator is known; but water-powered calculator is so cool and special.
2. The different point with other is used via water to generate power without battery.
3. The water-powered system is not very difficult but it is quite new to us.
4. This water-powered calculator is combine machine (mechanical) and technology.
5. The calculator will be ON upon input water.
6. The water seems nothing changing after using a period of time.
7. Do you want to know why? There is a magic engine internal to convert chemical energy to electric.
Portable, Convenient, Design Precision . No leakage.
8 digital calculator, M+, M- and MRC functions.
Add water by dropper. Transparent window to view water flowing.
Dimension：77x117x23mm
Color: Black / Green / Blue
Net Weight：60g
Gross Weight：76g
Contact: wedid@so-net.net.tw
