Completely conforming to I²C BUS Wide operating voltage range:1.8 to 5.5V Data rewrite up to 1,000,000times Applications: Portable Data Terminal Coin Processing Machines Meter for Medical Treatments Portable Barcode Scanner Digital Multimeter: Handy Type Digital Stethoscope Single Board Computer Network Attached Storage X-ray Inspection Machine for Security Monitor for Medical CT Scanner ECG(EKG) Intercom / Baby Monitor Machine Vision Camera for Industrial Fingerprint Authentication Device Pulse Oximeter Display for EMS Digital Multimeter: Bench Type