Control panel with capacitive sensing technology. Durable, reliable, resistant to water and harsh chemicals. 2-color LED display with 30-minute full range timer, degas feature. 100W ceramic heater. Multiple circuit protectors. Cooling fan to improve heat dissipation and beneficial for continuous operations. When overloaded or improperly used, the protectors shut down the power to certain areas to protect the machine. Stainless steel tank. No drain. One year parts and labor warranty.