Stage & Studio Showbiz CSR Light Bulb - CSR4000/SE/HR - Description: Single-Ended Hot Restrike - Voltage 200 - Wattage 4000 - Lumens 380000 - Base G38 - Shape T24 - Overall Length (mm) 250 - Life Hours 500 - Kelvin 6000 - CRI 90 - Color CLEAR - Filament ARC Stage & Studio Showbiz CSR Light Bulb - CSR4000/SE/HR