Dimmable: R7S LED 118mm dimmable 30W is compatible with most TRIAC dimmers, such as GIRA, Kopp, Busch, Clipsal, Schneider, Legrand, Merten, Etman, ATIA, Varibright, Hamilton, MK Dimmer etc. Not compatible with electronic dimmers. Not suitable for use in the fully enclosed luminaire.3000LM High Brightness: R7S LED 118mm 30W dimmable with 64*5730 SMD LEDs, 6000k cool white light color with a 200 degree light diffusion angle. The high brightness of 3000 lumens is very suitable for use as a ceiling light in the studio.Energy Saving: R7S 118mm LED 30W is an ideal replacement for 200W 300W halogen pencil bulb. Reduce energy consumption by more than 85%. Low maintenance costs. Used to replace the halogen bulb in the indoor floor lamp.Durable Quality: Size (55*38*118mm), easy to install. With a lifespan of 30,000 hours, the aluminum material allows good heat dissipation and is safer than incandescent bulbs. No flickering. No fan noise.Applications: R7S LED 118mm dimmable 3000LM is suitable for people who need real strong light. Suitable for office, open office, studio, kitchen, living room, basement, garage, hobby workshop, warehouse workshop, yard, construction site, garden, etc. Used for floor lamp, ceiling lamp, building light, etc.R7S LED 118mm Dimmable 30W, 3000 Lumens High BrightnessNOTE for the dimmer:-1, Please note that it is not compatible with electronic dimmers.-2, Old-fashioned dimmers designed for higher-power halogen bulbs may cause unreliable lighting and damage the bulbs and the fixture.The following problems are caused by incompatible dimmers:<1>flicker <2> noise <3> cannot dimmerWhy can't the LED be dimmed normally when the halogen bulb is replaced?Answer: Because the power of the LED bulb does not reach the minimum output value of the traditional dimmer.Solution: <1> Using a compatible dimmer <2> Keeping a few halogen lamps can increase the total power and make the LEDs light up normally.NOTE for size 55*38*118mm:-1, Please make sure the size is compatible with the fixture before purchasing.-2, You may need to remove the glass cover or protective grille to install this R7S LED.-3, If you use it in a lawn/garden/patio, please make sure the lamp is installed in a protective cover.Specifications:-Base: R7S-Power: 30W-Voltage: AC 220-240V-Brightness: 3000lm-Substitute: Halogen