Features Lcd display with frequency / frequency grade / temperature / time Memory setting function for frequency/temperature/time Sweep frequency capability Soundproof design, more quiet Safe and steady pcb The whole machine made of stainless steel¨º¡ìspray-paint in size 15l/20l/30l for choice Frequency: 40khz Temperature: 0 to 65c Ultrasonic power adjustable from 20-100% Timer: 1-99 infinite loop Industrial grade ic with powerful ultrasonic transducer