Kellermann Atto Integral Turn Signal Keep your chopper legal with a set of Atto Inegtral Turn Signals! Kellermann's EXtranz (Extreme Optical Transparency) and HighPower LED technology with Long Life Protection Guard significantly increase rider visibility on the road. These tiny lights are designed to tuck away into your fender or saddlebag and require you to drill a hole for mounting. Features: Kellermann's HighPower LED technology with Long Life Protection Guard delivers maximum LED lifespan and spectacular brightness Integrated circuit controlled, 330 kHz for max LED lifespan & brightness, with minimum power draw High-quality metal housing Durable glass lens Engineered and made in Germany, includes 3-year warranty 13.2mm L x 9.8mm OD Sold individually Note: These lights are for custom applications, installation may require drilling, adhesive or other custom fabrication.