This product is a 2-pack of 100W infrared red heat lamp bulbs, specifically designed for use with reptiles like chickens, bearded, and pigs, etc. The bulbs are shock and vibration resistant, have a long lifespan of up to 4000 plus hours, They are designed with an E26 socket for easy installation and operate at 230-240 volts. Perfect for outdoor use, these heat lamps from Inter Heat offer energy-saving functionality and are a reliable choice for maintaining your reptile’s temperature and health.