The Arcadia Ceramic Lamp Holder and Bracket Pro are an easy to use and versatile lamp holder. Made from quality components this lamp holder can be used with most heat sources up to 250 Watts. The sleek design allows a lamp to be fitted into a vivarium quickly and easily. The Pro Lamp Holder has been designed to be used with the Arcadia Heat Lamp Cage to stop animals coming in to direct contact with the heat source. Use a suitable thermostat with all heat sources.