I had some issues with the some of lights not functioning when I received them, but working with customer service the problem was quickly rectified and new lights were shipped quickly. The downside is that the light color has a weird greenish tint.  However, the lights use very little energy as the double A batteries are still going and the automatic turn on / turn off function is very nice.  I've started using them as nightlights.  One downside, and this is probably my fault -  I thought these would flicker like simulated candlelight.  They do not.  I may not have read the description correctly.