APPLICATIONS for g16.5 bulbs applied for chandelier light bulbs,Ceiling fan light bulbs,Vanity light bulbs,desk light bulb,Wall light bulb,Dining room light bulbs,Bathroom light bulb,Decorative light bulbs,etc; FEATURES for led vanity light bulbs 4W equal to 40W e12 globe bulb Lasts 25,000+ hours versus an incandescent with a 1000-5,000 hour life hours Dimmable:Compatible with 95% dimmers UV and mercury-free, unlike fluorescent bulbs,Flicker-less 2year warranty for e12 edison bulb WHY led ceiling fan light bulbs? Reduce your electricity bill and save money Help preserve the environment by reducing carbon footprint New technology with longer lifespan. Advantages compare others 1.brand led with perfect light consistency,soft light,same lighting effect with incandescent bulbs makes you relax 2.360 degree beam angle without dark area for g16 led bulb; 3.Dimmer compatibility: brand A: Skylark,Davi,Toggler,Maestro,Rotary Preset Dimmer(SCL-153P-WH,CTCL-153PDH-WH,TGCL-153PH-WH,MAELV-600-WH,S-600P-GR,DVELV-300P-WH,DVWCL-153PH-WH,DV-600P-WH,D-600P-IV,DVELV-303P-WH,MACL-153M-WH,S-600PNL-LA) brand B: VPE06-1LZ,IPI06-1LZ,6672-1LW,6633-PLW,6631-1LT dimmer 4.ETL,REACH,CE,Rohs approved for e12 vintage bulb 5.CRI>80,PF>0.9,Degradation after 1000hours<1%,CDM<3 6.Perfect consistency with brand led for led candelabra bulb Questions for led edison bulb: 1.How many dimmers compatible be tested for North America? More than 20pcs typical dimmers be tested including parts old dimmers. 2.Is this g50 led bulbs have high heat and dark side when lighting on? NO,It’s low heat due to brand chip,led and charged Helium for dissipation; 3.What’s chip brand you applied for vintage led globe bulb? Quality Epistar chip.