Philips Glass HID lamps offer a simple & short-payback LED solution to HID replacements and can be used in both indoor and outdoor applications. Compact design offering the perfect fit with existing HID fixtures;Same look and feel as traditional HID lamps;Lowest initial investment and short payback time Philips Glass HID lamps offer you an easy, short-payback LED solution to replace High Intensity Discharge (HID) lamps. Thanks to our High-Power LED filament technology, this new generation of indoor/outdoor glass lamps brings all the energy-efficiency and long-lifetime benefits of LED to HID replacement, while providing instant savings with a low initial investment. They are designed to have the same aesthetics, lamp size and light distribution as the HID lamps they are replacing, so the upgrade to LED is easier than ever! Suitable for both Enclosed and open fixtures;Operational temperature range of -20-45C;Built-in Surge protection;CRI 80 enable suitability for both;Indoor and Outdoor applications;Surge 4KV Warehouses;Parks and Plazas;Road and Street