The Zenix has been upgraded with IQ technology that increases its efficiency. New intelligence-integrated circuitry includes constant illumination, mode memory, a battery-power meter and a tiny locator light. The Zenix IQ still utilizes a "lensed" HyperBright LED that is flanked on each side by a SuperBright LED-a switch allows the user to toggle between the SuperBright LEDs for proximity lighting and the lensed HyperBright LED for clear, far-reaching light. Now using 2 AA batteries, the Zenix IQ is an excellent, lightweight choice in lamps for climbing at night or for predawn approaches.