This peak flow meter is ideally designed for both children and adults. This easy-to-read device comes with three sections colored in green, yellow and red. This light and portable device can fit into a pocket. Besides having ergonomic kickstand handle and one year warranty, it is easily cleansed. This is HCPCS Compliant with A4614. Besides having 138 x 45 x 35 mm dimensions and 42g weight, it measures (EU) in 60-720 L/min and (ATS) 60-800 L/min. Its accuracy ranges from +/- 10% or 10 L/min with repeatability of <5 L/min.