Komodo Basking Spot Bulbs provide a perfect heating and lighting source for any diurnal species of reptiles, amphibian or invertebrate. 90% of the energy used by this Basking Spot Bulb is emitted as beneficial warming infrared rays, efficiently directing heat at the desired basking location providing optimal thermoregulation within your animal. Its focused beam directs heat efficiently towards the basking site. This Basking Spot Bulb is suitable for use with an appropriate thermostat such as the Komodo 600W dimming thermostat. This Basking Bulb has an Edison Screw Cap fitting and is 50W. Emits up to 90% of power as beneficial IRA heat rays Optimum heat source for efficient thermoregulation & metabolism Can be thermostatically controlled for safer use Focused beam directs heat towards basking site