The frame is 9 1/2" by 7 1/2" and the screen is 5 1/2" by 3 1/2". The piece can be powered for days by a single 9V battery, or by an AC adapter (included). Since LEDs consume very little power, these can run on a single 9 volt battery for days on end. Each light art frame is handmade . They are really unique compared to typical wall art. The cost of the light art frame is $100 each.

The mini Hydro clock ia aboutn 2.5cm by 5ccm. There is no alarm function, no date or calendar information just the time. The Hydro clock can be powered with any kind of fluid you like beer, water, juice, milk, etc. The internal converter extracts electrons from the fluid molecules and provides  a steady stream of electricity to generate power for the clock. The  clock will  keep  running  unless it dries out. If you use milk or juice to power your hydro clock then it may smell after a while.The cost of the mini hydro clock is about $7.95  to  $9.99.