Enjoy reliability and performance with the Keystone KTET-75-1-SCP-DIM-HV-AL 75 Watt, low-voltage, dimmable transformer ballast. This model in particular is designed to operate halogen lamps that are 60W or less by bringing 120V down to 12V. The transformer comes with rear studs and is intended to be mounted to a J-Box. It is an ideal solution for both recessed lighting and track lighting applications. Enjoy Keystone KTET-75-1-SCP-DIM-HV-AL low-voltage, dimmable transformer for years to come.