Kosnic2D 2P 9 Watt 4000 K LED Energy Saving Light Bulb

Easy fit. Just had to wire out the ballast. Much brighter and quicker on /off in the cold.

Absolutely brilliant. Wasn’t rocket science to fit. Came with instructions. It made a world of difference. Irritating flickering start is eliminated for good.

This LED light bulb is a very bright replacement. Unlike the fluorescent bulb it replaced, it has not flicker or warm-up time.

These work very well, the model supplied had three light temperature settings. Four stars for two reasons, they were expensive and I had to strip out the existing ballast before fitting. No big deal if you have a basic working knowledge of electrics but may not be of use to someone not prepared to wield a screwdirver.

Easy (with some electrical knowledge) to install. 3 levels of light. Power saving...so good i bought another 2 for other rooms.

Brilliant product, used in bathroom, good value for the money

Light of some LED lamps looks more or less unnatural–sometimes a slight purple tint is visible, sometimes not, just I can see that the light is a bit less natural than from fluorescent lamps. The light from this lamp looks almost natural. Better than most fluorescents.The bad is that the lamp inside differs from what is declared on the box. It contains only 90 LED's instead of declared 120, PCB (the "heatsink") is laminated glass fiber instead of aluminium, the AC/DC converter of the lamp is faulty and produces noticeable shimmer. The faulty converter and text "2013-11-18 KLED 09STD Kosnic" on the PCB makes me suspicious that I received an old and used lamp in a box of a new one.Will not return the lamp. The colour of light is very nice, light output is good enough and postage would cost me more than a new external AC/DC converter.

Very bright. Easy to fit.