Easy to operate control of the auxiliary heater with timer support. The remote control adjustments are quick and straightforward. Readable information at a glance with a liquid crystal display. Flexible operation through a control button: manual tank mode, timed start or stop, and time setting. Special design: Park hot air rotary knob controller with manual refueling mode for quick owner adjustments. The rotary knob provides tactile control. The product has been thoroughly tested before shipping to ensure reliability. Function and usage highlights - Timed start/stop to automate heating without constant attention - Manual tank mode for on-demand operation - Time setting to suit your schedule - Remote control offers convenient adjustments from a distance - Clear LCD readout for status and settings Use scenarios - Pre-warm a vehicle: set a timed start so the interior is comfortable when you arrive - Quiet locations or long stops: switch to manual tank mode to maintain temperature quickly - On-site adjustments: use the rotary knob controller for fast, hands-on changes with manual refueling mode Notes - Compatibility includes the Park hot air rotary knob controller system and its manual refueling mode - Size and material are not specified in the description - All units are tested before shipping for consistent performance