Bi-pin G4 base Pre-purchase notice: the standard size is 12mm*37mm, g4 LED bulbs are a little larger than normal g4 halogen bulbs.Please check the dimensions of this product carefully before purchasing if they fit your fixture. Vicloon G4 LED Bulbs Information about Gch bulb Power: 2W Socket: Standard G4 base Light intensity: 130LM Input voltage: 12V DC AC Beam angle: 360 degree Lifespan : 30000 hours Color temperature: warm white ( 3000K) incandescent equivalent: 20 watt G4 halogen lamps If the bulb is damaged, please contact Vicloon time. The most important thing is to check using the voltage, if it is the same with the original lamp. Improper use of voltage will also cause an explosion. It is not UV or IR radiation, very safe for your home and family. Please make sure the base of the bulb matches that of your fixture. Bright and comfortable light 130LM , warm white light 3000K High color rendering, make your objects really reflect colors and give you a vivid environment. No flicker, protect your eyes Instant on without any delay. No flicker. No UV or IR radiation. Better protect your eyes. The light generated will not be dazzling or make your eyes uncomfortable. Better to protect your family and children. Wide application Perfect for kitchens, living rooms, bedrooms, table lamps and floor lamps, ceiling lights, etc. Suitable for home, hotel, restaurant, cafe, bar etc.