These high intensity directional LED warning lights are specifically designed for vehicle headlight and tail light applications. The 301Bullet is a concealed LED warning light that features two high-intensity 3-watt LEDs to deliver an exceptionally bright warning signal. With a 3/4" shaft length, the 301 Bullet is designed to allow quick and easy installation in any headlight or taillight casing. Requiring only a single 1/2" hole, the Bullet's shape overcomes the problem of difficult installation in the highly compact, double wall design of modern vehicle light casings. In addition, the Bullet is self-adhesive and requires no mounting hardware can also be secured with screws. The Bullet features 10-30 VDC operation, 22 flash patterns are included and multiple units can be synchronized to flash alternately or simultaneously. Hide-A-LED's also synchronize with 301, 305 Series directional LEDs.