Contec (CMS50Q1) Pediatric Pulse Oximeter

• A compact, easy-to-use device that non-invasively measures oxygen saturation (SpO₂) and pulse rate through the fingertip. Designed for kids, it delivers fast, reliable readings for home, hospital, oxygen bars, and sports recovery use (not during exercise). 
  

Specifications

• Display: 160 × 80 pixels
  
• SpO₂ Range: 0–100% (±2% accuracy from 70%–100%)
  
• Pulse Rate: 30–250 bpm (±2 bpm or ±2%)
  
• Weak Signal Accuracy: SpO₂ ±4%, Pulse ±2 bpm or ±2%
  
• Ambient Light Tolerance: ±1% deviation
  
• Power: 2 × AAA batteries, up to 20 hours use
  
• Voltage: DC 2.6–3.6 V
  
• Safety: BF Type applied part