Transform any room with the 4K Ultra HD Projection Lamp with Film Slides a compact and portable projector that creates stunning, vivid displays for home décor, kids rooms, parties, and events. Key Features 4K Ultra HD Projection: Crystal clear, sharp, and vivid display quality Interchangeable Film Slides: Project different images and patterns with ease USB Rechargeable: Works with mobile chargers or power banks portable and convenient Smart Charging Indicator: Red light when charging, auto-off when fully charged Compact & Lightweight: Easy to carry and set up anywhere How to Use Charge using a mobile charger or power bank. Light turns red while charging and goes off when fully charged. Insert the film carefully. If the projection appears blurry, reverse the film and reinsert. Press the power switch to start projection. Note: Keep the film clean for the best projection results.