Usage Tips: Save electricity and money: G4 LED bulbs 5W LED bulb 400LM emit uniform light allows you to replace your G4 50W halogen lamp bulbs, Produces less heat and lasts longer than halogen bulbs, save over 85% on your next electricity bill, longer life life can reach 30000 hours, reducing the trouble and cost of frequent replacement of bulbs. Please check the voltage and size matching before purchasing. Comfortable light & Eye Protection: 12v led bulb compatible with AC 12V and DC 12V, Non-flickering and 360 degree natural light provides comfortable light for your eyes.Creates a warm and comfortable atmosphere. Perfect bulb for your chandelier, kitchen hood, desk, floor lamp, ceiling light, etc. Ideal for bedroom, bathroom, living room, gallery, etc. Easy Installation: The standard G4 base is easy to install and convenient to use. It will always stay cool while working and the lighting is instantaneous and there is no warm-up time. used to illuminate cabins.perfect replacement for all conventional G4 halogen bulbs. Non-dimmable: Please avoid using a dimmer with this non-dimmable LED bulb. Wide Application: Bi-pin LED 12V with G4 base G4 LED lamps no lead or mercury, no of flashing light and no glare, is not easy to break. ideal for caravan and motorhome interior lighting, use in cabinet light, kitchen wall light, ceiling lights, table lamps, accent lights, display and landscape lighting. Please use a power supply AC/DC 12V; if you connect a 220V power supply, you will need a transformer.