Product Specifications:
Measurement Mode: oscillograph Large easy-reading LCD display Measurement Range: Pressure: 300mm HG Pulse rate: 40-199 p/min Accuracy: Pressure: Within 3 mmHg; Pulse rate: Within 5% Auto shut off in 2 minutes power saving. 99 memory sets Battery Life: approximately 6 months if used once a day. Storage Temperature: -4F ~ 140F Relative Operating Temperature: 50F ~ 104F Relative humidity: less than 95% humidity: less than 95% Operates on 2 "AAA" batteries Measures 70x72x29 mm