1. International standard G4 LED socket, 5050 12SMD and 2W power. Voltage: 12 DC. Brightness: 120 lumens. Beam angle: 180 degrees. Color temperature: 6000K, cool white. Not compatible with dimmer. 2. Providing generous room lighting, these G4 LED bulbs replace 20W T3 halogen, xenon and incandescent bulbs. 3. NOT dimmable!!! REMARK !!! Do not use with dimmer as dimmer may cause lights to flicker or noise. 4. Replacement for trailers, caravans, automobiles, ships, boats, etc., as well as in hall and bathroom ceiling lighting, kitchen lighter, Malibu landscape lighting, accent lighting, cabinet lighting, suspensions, desk lamps, chandeliers, track lighting, wall sconces. 5. Easy installation. Delivery: 10 G4 LED lamps with white light. If you have any problem, please email us in time, we will do our best to solve your problem.