These Halo Style Illumiglo Gauges are a great way to TRICK OUT your Bike's Instrument Cluster. The Halo style is a mix of the reverse style and standard style gauges we offer, with this style you get the best of both worlds, a large center section that glows and the clean look of just the markings glowing. You also get hidden marks. During the day you do not see them, but once it is night time you see many markings appear, including the glowing center section. Compare the day and night picture to see the difference!! which is a great way to attract attention to your bike. The Halo Style Illumiglo Gauges can be seen at night from distances 50+ feet which means you will be noticed. Do not worry though, as our gauges are 100% Street Legal. All panels are made of a very High Quality flexible plastic material. The gauges are self-illuminating, and will cover up any stock lighting in order to illuminate properly. Best of all our gauges DO NOT REQUIRE NEEDLE REMOVAL. That's right, we designed the gauges to slip over and under the needles requiring absolutely no needle removal what so ever. General installation instructions are included with every gauge set. Installation: Installs are simple, as the average customer can do an install within an hour, though we do recommend professional installation of the Illumiglo Gauges. Each gauge has 3M adhesive on the back to hold it to the surface of the OEM gauge. Each gauge is designed to slip over and under the gauge needle so that needle removal is NOT required. There is very minor wiring involved in the install process, that consists of a positive and a negative hookup. The Positive(RED WIRE) and Negative(BLACK WIRE) are recommended to be hooked to the bike's headlight / parking lights power source. 1 Year Manufactures Warranty is included.