Our advantage: 1. Most g4 on market only can work with stable 12v, our g4 bulb is AC/DC12-24V wide voltage, better compatibility, work well with most transformers;2. Higher lumens, brighter. 【Solve G4 Flicker issue】1. Please make sure your voltage is low voltage AC/DC12v-24v; 2. Change your transformer to LED driver; 3. Keep 1-2 halogen g4 in your system, don't all install led; 4. Please contact us to get help. 【Notice Size】This G4 3W Warm White LED bulb is 13.5x41mm/0.53x1.61in, longer than old G4 halogen bulbs, please check the dimension of the fixtures before purchase. 【No Flicker,No buzzing】G4 3w led bulbs warm white 2700k CRI>82Ra offer soft comfortable lighting, stable electronic components is helping to avoid the visible flicker and prevent your eyes, please don' t use them with dimmer, otherwise the bulbs will flicker or make noise. 【Save electricity bill】This G4 led bulb 3w is bright enough to replace 20W 25W 30W g4 halogen bulbs, saving more than 90% of energy and money. Better ceramic heat dissipation ensure bulbs longer lifespan, save your maintenance cost. 【Widely applications】Standard G4 bi-pin base, can be easily fitted instead of ordinary halogen bulbs, suitable for all kinds of g4 fixtures, ideal for outdoor landscape lighting, courtyard, Boat Yacht light bulbs, lawn lights, puck lights, chandelier, under counter lights, post lights, recessed light,Furniture lighting, office lighting, merchandise lighting, display lighting, interior light and etc. 【Long lifespan no worry to buy】We use high quality driver led chips good heat dissipation design for our G4 led bulbs to ensure ＞30,000 hours lifespan