Easy to install, no modifications to the lamp needed, no messing around with old ballast. Plugs into the existing 4 prong plug that the old bulb did. Female connector housing is a bit larger than the mating recess around the male connector on the bulb...  Read More

Both bulbs start making a clicking noise and then turn off. The connector seems to be located differently.

This product advertises as compatible with a standard ballast. New ballasts cost more than the lamp and are difficult to install. This should not be marketed as a drop-in replacement for fluorescent circular lamps.

Bright, clean, bright day-light producing twice the glow. Purchased for use in an ikea fixture (no gu10 380 lm bulbs in stock at local store) bought for my ikea light fixture in the kitchen.

Great price for much needed item. Much less expensive than ikeas prices. My friend that lives in there has a suit made of the same material as certain gloves.

They work, just not the brightness.

Description and pictures are misleading/inaccurate. My state has banned halogen lights. Do not buy.