Masterbuilt Gravity Series 560 Digital Charcoal Grill and SmokerBecome a Master. With the Gravity Series 560 Digital Charcoal BBQ + Smoker by Masterbuilt, you can smoke, grill, sear, bake, roast and so much more. Set the temperature on the digital control panel or your smart device and the DigitalFan maintains the desired cooking temperature. The GravityFed charcoal hopper holds over 12 hours of charcoal and gravity ensures you have constant fuel to the fire. The reversible cast iron grates are perfect for smoking