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.

Powered by a splash of water and a dash of salt, it keeps perfect time with no batteries. Sounds like magic, it’s just simple science. Electrodes harvest energy from the water. A clock that improves environment, both inside and out.

Measures approximately 4 inches high by about 3 1/2 inches wide.

The Bedol Wall Wave Clock is available in four different colors: blue, charcoal, green and orange. The product is available from the Bedol website for $16.

(Via Coolest Gadgets)