1. International standard of G4 led socket， 5050 12SMD and 2W power， voltage: 12 DC， brightness: 120 lumens， 180 degree beam angle， color temperature: 2700k warm white， not dimmable 2. Providing generous room illumination， these G4 LED bulbs are replacements for 15W T3 halogen， xenon， incandescent. 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 warm white light. If you have any problem， please email us in time， we will do our best to solve your problem.