ALPK2-920 Digital Wrist Blood Pressure Monitor

Features Measuring system: perform measurement during pumping Pump pressure range: 0-300mmHg Measuring range: 50 – 250 mmHg (Systolic), 40 -180 mmHg (Dystolic), 33-199 bpm (Heart rate) Error range: ±3 mmHg (cuff pressure), ±5% of result (heart rate) Pumping system: automatic pump Exhaust system: automatic discharge Power supplied: two AAA alkaline batteries (LR03) Power: DC 3V/2W Memory: 02 memory areas, with 60 results saved and automatically averaged Weight: 100grams (not including batteries ) Waterproof standard: IP20