Usage Tips:For: Vtlamp10.<br> Basic product information: Primary colours: White Primary detailed colours: Cold white Diameter: 13.8 cm Unit weight: 35 g Material: Glass Physical properties: Shape: round Inner diameter: 11.3 cm Lamp type: T4 Electrical data: Energy label: G Lamp type: Fluorescent Technical data: Colour temperature: 6500 K Intensity: 720 lm Energy consumption per 1000 hours: 12 Kw H Color rendering index (Cri): 85 Cri Power supply: Rated input voltage range: 120-230 V Power consumption: 12 W.<br> Note: Please allow slight errors due to manual measurement. Please make sure you don't mind before bidding. Color may vary depending on your monitor, please understand.<br> Note: Hello, please pay attention to your shipping address when purchasing products. If your delivery information (e.g. name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly