Dimensions: 8.26 W x 0.78D x 2.36H in.. Square, plastic design. White finish. Clock, temperature, and humidity meter. Battery operated (batteries not included). Take a trip through time with the Creative Motion Industries 3-in-1 Steam Engine Train Clock and Humidity Meter. Inspired by vintage steam engines, this clock also includes temperature and humidity meters. The craftsmanship is durable plastic with a glossy white finish.