Easy-to-read digital display allows you to measure temperature and humidity inside the cage. Memory function for maximum and minimum temperature and humidity. Velcro strap for attaching to the main body Product Size (W x D x H): Approx. 1.8 x 0.6 x 1.6 inches (4.5 x 1.5 x 4 cm); Individual Size (W x D x H): 4.8 x 9.1 x 7.7 inches (124 x 23 x 195