Plastic lamp base size: 2.68 x 2.68 x 1.18 inches. Flat top surface size: 1.97 x 1.97 inches. Key features and benefits - Versatile display lighting: six lighting modes to enhance the appearance of crystals, glass, acrylic items, crystal statues, jewelry and other small display pieces. - Flexible power options: runs on 3 AAA batteries (not provided) or powered by a USB cable cord for convenience at home, in a shop, or on a desk. - Easy to operate: a touch switch provides simple, hands-free control to switch colors and effects with a light touch. - Compact and sturdy design: compact base with a flat top surface to securely support small display pieces. Lighting modes - Color slow flash - Color fast flash - Constant white light - Constant red light - Constant blue light - Constant green light Operation and power - Touch switch for quick, intuitive control - Power options: 3 AAA batteries (not included) or USB cable cord Applications and use scenarios - Crystal display: place a crystal or glass ornament on the flat top and illuminate with a steady white or colored glow to highlight facets. - Jewelry display: use on a vanity or in a display case to showcase rings, pendants or small bracelets with enhanced color or white light. - Desk or shelf decor: illuminate small acrylic statues or collectibles in a living room, bedroom, or shop window for subtle or accent lighting, with portable battery power or USB power for flexibility.