... , Digital control Timer Heating Temperature control function , Applications: Electronic factory , Jewelry factory , Chemical lab , Dental clinic , Restaurant , Repair shop , Family , etc ... . 40,000 HzStainless Steel SUS30415 L1-30minutes, Digital timerAC 100 ~ 120V, 50 / 60HzAC 220 ~ 240V, 50 / 60 HzUltrasonic Power360 WHeating ...