?????? Energy Saving: Save up to 93% on your energy bill by replacing 20W g4 halogen bulb with 1.5W G4 LED bulb. ?????? Excellent Performance: AC/DC 12V g4 LED bulb, 360?? beam angle, soft white 2700K emits cozy comfortable light, best for landscape lighting. ?????? Easy Installation: standard G4 bi-pin base can be easily replace ordinary g4 halogen bulbs. Compatible with stable AC/DC 12V. ?????? NOTE: This G4 led bulb is not dimmable, do not use it with dimmer switch or transformer, or the bulb will make noise even burn out and flicker. ?????? Reduce Re-lamp Frequency: Made of high quality led chips, silicone material coated, anti-pressure and impact resistant that make the g4 light bulb long lifespan and save your maintenance cost. ?????? Wide Use: Ideal for landscape lighting, lawn lights, puck lights, under cabinet lights, post lights, recessed light and etc.