Osram SubstiTUBE Advanced HF. Light colour: Cool daylight, Colour of product: White. Energy efficiency class: A++, Input voltage: 220 - 240, Energy consumption (1000 hours): 23 kWh. Diameter: 2.75 cm, Length: 151.3 cm, Weight: 335 g. Certification: CE. Shipping carton width: 16.6 cm, Shipping carton length: 163.7 cm