The E92 Series hide-away LED kits are the brightest and perfect solution for undercover vehicles utilizing the latest in LED technology. Each LED in the E92 Series LED kits features 9 incredibly bright Next Generation LED's. The E92 Series kit utilize a single flasher with 21 built in Flash Patterns. These kits can be fully synchronized with other E Series light heads. The E Series are fully encapsulated, which makes them 100% waterproof and vibration resistant. Designed by professionals for professionals the E Series are designed for primary warning, not "auxiliary or secondary warning" like so many other similar lights sold today. The E Series lights offer greater flash pattern selections, superior light output, synchronize capable, in an easy to install undercover design.