water power clock and calculator
You May Also Be Interested In:
clock with calculator
water power calculator
water power clock
1:Water power clock
Rotating calendar clock
Timer, thermometer, alarm, count down timer
Water power source . 2:Water power calculator
Large LCD 8 digit calculator
Water power source . 3: a kind of water power, No need any foreign power , green . 4: The digital Bedol clock allows you to keep track of time in an eco-friendly way, without having to use any batteries whatsoever. The timepiece is powered by water and salt.
5: Powered by a splash of water and a dash of salt, it keeps perfect time with no batteries. Sounds like magic, its just simple science. Electrodes harvest energy from the water. A clock that improves environment, both inside and out.