Carolina Custom Cage 24D-S for Snakes, Prestige Walnut front panel Cage panels arrive ready to attach together with simple instructions. Habitats can be adapted for your specific reptile using the appropriate lighting, heating, backgrounds and other accessories. Pre-drilled holes inside top panel for mounting Reptile Basics 80 watt Heat Panel onto 12 x 24 on right side overhead. Pre-drilled hole for power cord exit and for temperature probe entry of Vivarium Electronics VE-100 or VE-300 Thermostat units. Pre-drilled hole for Heat Panel power cord exit and for temperature probe entry of Vivarium Electronics VE-100 or VE-300 Thermostat units. These snake cages may be used as habitats for a variety of other reptiles that benefit from a flatter temperature gradient and humidity control. Heat Panels, Thermostats, Substrate Tray and Cage Stacking Spacers are listed separately with other items from Carolina Custom Cages.