Apparatus within the tank are made of high quality stainless steel. Automatic frequency tuning for maximum output. Temperature control by thermostat blind type maximum allowable temp is 65°C (optional). Two digit timer green LED display 0–99 minutes timer with setable & On/Off keys. Digital temperature / controller with display. Basket made of stainless steel material. Digital memory and ultrasonic cleaning time setting. Tank capacity available in 3ltrs., 5ltrs., 10ltrs., 13ltrs., 15ltrs., 22ltrs., 30ltrs.