Installed as expected, with a clockwise twist until firm and snug in the socket. Much dimmer and easier on the eyes. The brighter one is on my side of the bed so i can see while getting ready.

They are dim enough to keep the night mood, but bright enough to illuminate a room. The yellow light is strange but it works great if you want to disturb your partner less when waking at different times. Used as a nighttime stairway light.

Buyer beware. Expected a dim warm glow. Looks very yellow. If you’re looking for a soft light for a lamp this is not it.

Installation is exactly like replacing your existing florescent bulbs. Removing the ballasts is a pain, but rigging up the wiring is simple enough. Work with or without ballast, single end or double end power.

Love the duel end connections. Came package so well they couldn't get damaged in shipping.

No issues at all, and no dead bulbs in the 20-pack. No more dimming fluorescents or ballast changes. Can't speak on longevity as bought and installed first batch of 20 (redo 5 light fixtures) in january and just purchased another box and did 3 more li...  Read More

Excellent brightness. Good color, no flicker, no hum. Bright, instant on and relatively easy to install.

The parmida led is about 10% brighter than the new fluorescent bulb. Brightness is a little better than the classic fluorescent tubes.

Each time i flip the switch off/on different one's come on and different ones don't come on. Finished the install, turned power back on and flipped the switch and nothing. Removing one of the bulbs (only one bulb connected) allows the bulb to turn on,...  Read More