Color: As shown in the First image. Quantity and size : As shown in the title or description. Infrared Ceramic Emitter - Heater Lamp For Pet Features: Wide Application: This Black Ceramic Heat Emitter Bulb is the Perfect 24 Hour Heat Source For All Reptiles Operational Principle: Heating Source: Ceramic, Infrared, Electrical, No Light Emitted Solid Ceramics Element Has a Good Heat Radiation Feature(also Works in Sealed Box) Advantage: It Will Also Increase the Ambient Air Temperature in the Terrarium Infrared Heat Penetrates the Scales and Skin Tissue, Promoting Health and Healing As It Widens the Blood Vessels and Increases Blood Circulation Long Life: High Thermal Efficiency, and Life Expectancy Up to 20,000 Hours Material: The Bulb is Made from High Temperature Clay and Environmental Protection Glaze, Which Simulates the Moon's Natural Glow For Nocturnal Viewing Without Disturbing the Reptile's Day or night Cycle Features: Color: Black Material: Ceramic and Alloy Size: (L) X (W) 6 X 7cm or 2.36" X 2.76" (Approx) Wattage: 50W or 60W or 75W or 100W (Optional) Voltage: 220V Heating Source: Ceramic, Infrared, Electrical, No Light Emitted Package Included: 1 X Heat Emitter Bulb