The “Real Time” instrumental alarm contain real pure materials. The case “Real Time Heavy Metal” is encased in metal; a quality clock which looks great and which is also equipped with an alarm and light function. This is another fantastic product from Nextime, it was designed by renowned designer Henk Stallinga who has turned this clock into a practical design masterpiece. It measures 9.5cm high and 9.5cm wide and is battery powered with an accurate quartz mechanism. Nextime of Holland is a well renowned clock maker who produce great quality modern contemporary designs.