Sunpulse Lamps: PULSE START METAL HALIDE Worlds First Digital Lamp for Digital Ballasts "Very High Frequency Light-Emitting Plasma Lamps" (VHF-LEPL) since 1999 WELCOME TO THE WORLD OF ADVANCED LAMP TECHNOLOGY! Sun Pulse makes the the only Digital Lamps for certified HID Electronic & Digital Electronic Ballasts. Sun Pulse Lamps are made with US intellectual properties and the highest quality, globally sourced components. Sun Pulse Lamps are also specifically designed for people, pets, plant