Aluminum LED Penlight with Pupil Gauge & Ruler COLOR:BLACK Individual foil packed strips

Individual foil packed strips

Range 0-300mmHg

Measurement principle The operation principle of the instrument is Photoelectric Oxyhemoglobin Inspection Technology is adopted in accordance with Capacity Pulse Scanning and Recording Technology so that two beams of different wavelengths of light (660nm glow and 940nm near-infrared light) can be focused onto a human nail tip through perspective clamp finger-type sensor

record the pressure reading as diastolic pressure

Considerately dual anti-chill ring design

Aluminum LED Penlight with Pupil Gauge & Ruler COLOR:BLACK Individual foil packed stripsPower Mode: Battery Powered Operating Voltage: 36V Battery Properties: Without Battery Light Source Type: LED Lights Specific Application Scenario: Other Contain Electronic Components Motherboard: Does not contain electronic components or motherboard Water Resistance Level: Non Waterproof Accessory: no components Usage: Reusable