Reptile GU10 Halogen Basking Light Assemblies with 54" AC cord, set of 2 Uses the increasingly popular GU10 halogen basking bulbs; heat output is much more focused than traditional basking bulbs. Very compact and dont require big dome style reflectors. This gives greater flexibility in planning your habitats basking areas. GU10 halogens smaller size allows them to be used under the cages screen mesh common. This allows you to use lower wattage bulbs; better efficiency, economy and effectiveness! Comes with 2 Pan-Ty cable ties (made of heat-stabilized, UV-resistant Nylon 6.6) making it easy to mount underneath your cage's top screen mesh.