Watts: 100?? Volts: 120</br>Color/Kelvin Temperature: Clear/4200K</br>CRI: 65?? Lumens (Brightness): 8500?? Rated Lifetime Hours: 10000</br>Base: E26 Medium</br></br>Product Description</br></br>The Westinghouse Bulbs MH100-U-M90-E-MED (3701800) is a 100 Watt ED17 HID Metal Halide Clear E26 (Medium) Base Light Bulb</br><br/>http://www.amazon.com/gp/product/B0029HJFOY