Usage Tips:Light beam angle: 20-30 IP: 22 only for interior lighting They can be embedded in shelves, furniture, plasterboard, cover panels and so on.Set of 4 round spotlights in aluminum and matte protective glass - 230 V - With transformer Each time you turn them on, the spotlights will illuminate the environment with a warm (3000 Kelvin) and intense light (300 lumens) External diameter: 38 mm.Installation depth: 29mm The appearance design of Gaorui mini projector, high-end and versatile black and white, gold and silver are combined with LD chips, high-end materials are suitable for manyMany occasions, classic and versatile, matching your design style Suitable for home/commercial lighting such as background walls, entrances, counter display cases, etc.Color temperature specifications and applicable places for reference Display display index 80, high color rendering index, efficient heat dissipation, long life Warm self-lighting is used in places that require warm colors.Neutral light is used in places that require a neutral color temperature. Positive white light is suitable for places that require refreshing tones, such as interior design, clothing stores and hypermarkets with unconventional light colors.