Auber Instruments PID Temperature Controller for Smoker/BBQ Gold medal winner by amazingribs.com! https://goo.gl/pQftD5 PID controller designed for charcoal smoker. Fits medium and large Big Green Egg, Primo Oval XL, older version of Akorn Kamado as well as the Kamado Joe. Have artificial intelligence feature to enhance the temperature control. Regulates the on/off time of the blower to stabilizes the temperature. A snap-on blower that can be installed on the Big Green Egg's adapter. Fits venting damper with height about 80 mm (3.14"). A built-in buzzer that can be activated by either the high limit or the low limit alarm.