Product details:

Replacement for Conventional Metal Halide Lamp - Non-Dimmable; Do Not Dim - 50,000+ Hour Lifetime - Environmentally Friendly: No Mercury Used - Instant Startup - UL Listed - Operating Temperature: -40oC/-40oF to 60oC/140oF - Integral Driver, Eliminates the Need for External Driver or Ballast; Includes 4kV Surge Protection - IP64 Rated; Integrated Heat Sink Quickly Dissipates Heat and Guides Water Intrusion Out of the Lamp - Suitable for Use in Fully Enclosed Fixture