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The Yocan UNI Pro is a patented push-button box mod that works with oil carts. Its uniquely-patented design is centered around an adjustable height switch and width dial. Its wide-bore mouth is 14mm wide and the width dial can close around smaller carts to snuggly keep them in place while the height switch allows you to adjust your cart to a concealed height of your preference. Another great feature is a 10-second preheat function that is easily operated by 2-clicks on or off. This variable voltage device can be dialed in to the tenth of a Volt anywhere from 2.0 to 4.2 volts. You can see your voltage, settings, statuses, and battery life on the bright and clear built-in OLED screen. There is a hang hole should you wish to attach a lanyard or key ring. Its overall design is sharp, sleek, and it comes in a variety of beautiful colors.
