Sylvania HID lamps are high-intensity metal halide lamps that emit a high amount of lumen. These bright light sources make use of gas to emit light. When replacing an HID lamp, it is important to check the wattage and keep this the same amount for your new light source. This applies also to the base and light color of both light sources. This way, you will keep the same light effect when placing your new light source. All Sylvania HID lamps make use of an UV-block, preventing discoloration of objects. Check out the specifications per product to assure the right one.