Unlike many other modern LED oyster lights, the LED panels on the Ostra range are replaceable via a simple plug setup; you don't have to replace the whole fitting if/when the LEDs fail, years down the track. Click or tap here for the replaceable LED panels which are available for purchase as spares. The Ostra range is available in 3 sizes. Aluminium construction with frosted opal polycarbonate diffuser. The Ostra range features a replaceable LED panel which has a Tri-Colour selectable dip switch, allowing the choice between Warm White, Neutral/Cool White and Daylight all built into one fitting. IP54 rated, making the Ostra suitable for outdoor installation. This is a much higher quality fitting than other cheap budget ceiling flush oyster lights. 120° beam angle, ensuring great light spread with minimal shadows, making the Havit Ostra oysters perfect for kitchens and living areas where great light spread is beneficial. The Ostra oysters are dimmable with LED friendly dimmers. This product is a 240v fixture- no need for transformers!