The 80 Series by PIAA is a lamp that features the dual filament H4 bulb allowing a dip and main beam in one unit.
80 Series - Available as a complete lamp unit and also as just the lens units for lamp pod mounting as used in PIAA lamp pods. The lens units are 180mm diameter, complete lamps are 198mm diameter. These use a H4 bulb which is the dip and main beam together.
XO Series of lens units listed below are a HID Xenon version of the 80 Series lens units for lamp pod applications.
80 Evo - Available as a complete lamp unit which not only features a H4 bulb for dip and main beam of light. Also features a sidelight bulb.