Eco Clock by Bor-Ru Huang November 27, 2011 | Clocks Eco Clock created by designer Bor-Ru Huang has 12 slots for AA batteries. It shows the remaining level of power by LED lights. The ece factor is that it uses the very power bit of all cells. Tweet Share on Tumblr Prev Post » « Next Post Recent in Clocks MagicTime Smart Colorful Wooden Digital Clock Sherman Mechanical Robot Clock by MB&F Ingrein Smart Clock Keeps You Connected Without Distractions