Mercury Free Sphygmomanometer

Specifications:
Measure unit: mmHg
Minimal scale: LCD
Column: 2mmHg
Numerical display: 1mmHg
Measure method: stethoscope
Measure scope: 0-300mmHg
Available discrepancy: +/-3mmHg
Pulse rate: 30-200m,+/-5%
Pressurization: manual by the bulb
Depressurization: Manual by the air release valve
Power supply: 4.5V, AA*3
W/O D-ring nylon cuff with silk printing
PVC bladder and bulb