A Base Type: Medium Prefocus (P28s) , Bulb Technology: Halogen , High Output: No , Indoor/Outdoor Usage: Indoor Only , Lamp Dia.: 1" , Lamp Finish: Clear , Lamp Shape: T7 , Lamp Type: Single Ended , Max. Overall Length: 5" , Overall Lamp Shape: T , Power Source: Plug and Play , Primary Application: Projection , Rough Service: No , Shatter Resistance: No , Shatter-Resistant: No , Three-Way: No , Voltage: 120