Model Number: XR-M032-005 Brand Name: Xuerui Key Specifications/Special Features: Product feature:Fingertip Pulse Oximeter, Ring StyleSimple and convenient usage of product, simple one-touch operationSmall volume, light weight and convenient to carryLower consumption, original one 3.7V lithium battery can continuously work for 24 hoursLow voltage reminder shows in screen when there’s low battery, may influence the normal working

Machine will automatically power off when there’s no signal generated

Daily maintenance and calibration is unnecessary

Technical specifications:

• Display mode: LCD
• Measurement range: 35-0100%
• Accuracy: ±2% (80-100%) and ±3%(70-79%)

Pulse rate:

• Measurement range: 25-250bpm
• Accuracy: ±2bpm

Electrical specifications:

• Working voltage: 3.4 to 4.3V DC
• Battery type: one 3.7V lithium battery
• Power consumption: smaller than 30mA

Product specifications:

• Size: 35 (H) × 35 (W) × 20(D) mm
• Weight: 20g

Environment requirements:

• Temperature:
  • Operation: 5 to 40℃
  • Transportation and storage: -10 to +50°C
• Humidity:
  • Operation: 15-80% (non condensing)
  • Transportation and storage: 10-90% (non condensing)
• Atmospheric pressure:
  • Operation: 860-1060hPa
  • Transportation and storage: 700-1060hPa