I have an Eco pico led light for sale, good for small nano tanks. It has 3 light strips in total, a 3 way splitter and dimmer. Asking $70 obo (cost $110 new bought it in October last year).
Link to the website I got it from
http://www.modularled.ca/ecoxotic-ecopico/
Pic's
3 way splitter
dimmer
Light
Light turned on