A hand-held Pulse Oximeter for continuous monitoring. Build with robust components to withstand harsh and heavy use environments. Perfect for the physician's office, emergency care, hospitals, clinics, diagnostic centers, and home health care. Features: - Intended for continuous pulse oximetry - Ideal for most users and situations - A portable pulse oximeter with alarms and two bright LED displays - 12-hour NiCad or continuous AC-powered operation - Adjustable pulse tone levels - Pitch changes with rise or fall in oxygen saturation - Adjustable alarm levels for oxygen saturation and pulse rate - Previous alarm settings are recalled from memory - Output port for data communication to other instruments Equipment Specifications: Oxygen Saturation and Pulse Rate Display : Two 3-digit, 7-segment LED Resolution: SpO2: 1% Pulse: 1 BPM Range : SpO2: 0-100% Pulse: 32-250 BPM Accuracy SpO2: 100-70% ± 2% 69-60% ± 3% Less than 60% unspecified Pulse: 32-250 BPM ± 2 BPM Power Source Battery Type : NiCad rechargeable Battery Life : 12 hours in continuous operation Power Adaptor : 100 - 250 V AC 50/60 Hz, 0.5 A Dimensions Size : 7.5 (L) x 3.5 (W) x 1.38 (H) in. 19.1 (L) x 8.9 (W) x 3.5 (H) cm Weight : 17.5 oz. (496 grams)