... (W) ≥51 LIFESPAN(1C) ≥1500timesAPPLICATIONS:1,COMMUNICATION EQUIPMENT:communication base station, hand-held position meter, portable ... broadcasting station.2,MEDICAL EQUIPMENT:monitor, electorcadiograph,portable Type-B ultrasonic, Defibrillator, ... , infusionpump, oral cavity light curing unit3,INDUSTRIAL EQUIPMENT:water quality testing meter, stone tester, laser ...