Energy Saving: G4 led bulb 3w is 270lm, bright to replace G4 20w 30w halogen bulb, save your electricity bill. This 12v LED bulbs need LED compatible transformer, not 120V input directly Soft Warm White: 80Ra CRI, 3000K warm white, providing you with 360 degree bright and comfortable lighting, no flicker, no buzzing, not hot. This 12v G4 led bulb is non-dimmable Easy Installation: Standard G4 bi pin base, can be easily fitted instead of ordinary halogen bulbs, direct plug-and-play under AC/DC 12V low voltage Wide Application: G4 led light bulbs are used for landscape lighting, RV, courtyard, garden, puck lights, under cabinet lighting, puck lights, post lights, table lamps, recessed light and etc Long Lifespan: high brightness and low power consumption provides over 25,000 hours of lifespan. Please feel free to contact us if you have any issues with this G4 light bulb