Energy saving: LOHAS 3 way led light bulb power is 7/10/15W, which can emit lighting brightness equivalent to 50/100/150W incandescent and halogen bulbs, while saving you money on your electricity bill | Adjustable brightness: 3 way dimmable A19 led bulb has 3 lighting brightness levels: high, medium, low (600lm, 1200lm, 1600lm). The 3 way light bulb can be adjusted to the brightness you want in different environments according to your needs. | Bright: These three way light bulbs emit 5000K daylight white light, providing bright and stable lighting. CRI>85, giving you a realistic visual experience. | Easy installation: Standard edison screw E26 base, plug and play. But remember, these 3 way light bulbs must be paired with a 3-way dimmer switch, or the 5000K 3way light bulb will only work at the default medium setting of 1200 lumens. | Wide application: LOHAS 3 way led light bulbs 50 100 150W can be used for your table lamp, floor lamp, desk lamp, kitchen, living room, bedroom etc.