Pack of 2 - Ex-Pro Daylight replacement bulb standard ES/E27 screw fitting. 280w EQ / 65w, 240v, 5400K True Daylight. White light. Suitable for Daylight lighting kits including Ex-Pro kits. Colour Temperature:- 5500K +/- 100K - Colour Rendering Index (CRI):- 90+ Neutral white, pure daylight effect. Cool running, energy efficient bulb. 65w equivalent 280w standard. 65w, 240v, 5500K [280w Equivalent Light] This type of bulb is used to take photographs of products which provides 5500°K daylight balanced light to give perfect colour. They operate cold to touch and also safe to use. Size: Diameter: 75mm (7.5cm), Length Tip to Tip: 230mm (23cm).