Exo Terra 600w Thermostat with Dual SocketsWith the Exo Terra 600W Thermostat with Day Night Timer & Dual Receptacles you can create a well controlled 24 hour heating system that allows you to maintain the required temperature conditions similar to those found in a desert or tropical environment. Both the daytime and nighttime temperatures can be set and controlled individually to guarantee safe daytime nighttime temperature fluctuations for your reptiles. The Thermostat will also help to