Compatibility: Replaces P7-3.5/PBV3P1, P7-4.5/PBV4PS1, P7-5.5/PBV5P1 thermostat controller, compatible with Pit BOSS 3 Series, 4 Series, 5 Series upright pellet smokers. Upgraded circuit: The newly designed igniter control circuit prevents the controller from burning out due to short circuit of the ignition rod. In most cases, the fuse will remain in good condition even if a short circuit occurs. (Learn more in the comparison video shown.)) Precision measurement: Monitor the core temperature and ambient temperature of grilled food. The meat probe and environment probe are made of platinum resistor PT1000 imported from Germany to obtain more accurate temperature and make perfect grilled food. 2 modes: smoke mode and cooking mode with 10 temperature options from 150 degrees Fahrenheit to 500 degrees Fahrenheit (high option) allowing you to enjoy your grilling time. Parameters: 120V Packing size: 28*15*10 Weight: 844g