Digital Pulmonary Spirometer Volume, Expiratory Flow Measurement, Meter for PEF FEFV1 FEF with UK Plug

Description

Specs: Maximum volume: 10L Flow range: 16L / s Volume accuracy: ± 3 ％ or 50 ml Flow accuracy: ± 5% or 200 ml / s Battery: built-in lithium battery (DC 3.7V) Dimension: 97 mm （L） × 89 mm （W） × 36 mm （H） Net Weight: 150g Features: - Basically analyze and explain status - Light weight and portable size - Power capacity indication and automatic shutdown in 1 minute