We offer LED back lit, liquid crystal displays that are eminently viewable in full sunlight and smoothly dimmable to be viewed comfortably on the darkest night. 5K is the developer and supplier of the world’s highest quality – brightest – and dimmest – LED back lit liquid crystal displays. No contradiction here - to enhance night vision we dim to less than 0.5nit  (the equivalent of the light of one candle spread over two square meters). 5K's displays are the only sunlight viewable LCD's on the market.  Our water-cooled and air-cooled models are 5000 and 3000 nits respectively...