Phase 1 has three tasking areas:(I) recruitment and training,(2) pilot study, and(3) data analysis and documentation.The aim of the pilot study is to measure the effects this device has on diabetic patient care, determine reliability, compliance and acceptability with patients and to collect feedback. A qualified team consisting of two M.D.'s and two M.S. biomedical engineers will pursue this task. The successful investigation will lead to a complete glucose monitoring system that can reduce costs associated with intensive treatment.National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)