Easy to install, just attach to the glass surface inside the glass Temperature management is essential for reptile breeding. Check if there is a comfortable environment for reptiles and amphibians. Product Size: Approx. ø 2.0 x 0.5 inches (5.2 x 1.2 cm); Individual Package Size: (W x D x H): 3.1 x 0.6 x 6.9 inches (80 x 15 x 176 mm); 0.