HOMEDSUN Fingertip Pulse Oximeter | One-Button SpO₂ & Pulse Measurement | Large LED Display | Ultra-Portable

1.One-touch start delivers SpO₂ and pulse readings in under 8 seconds.
2.Dual-wavelength PPG sensor provides medical-grade accuracy of ±2 % SpO₂.
3.Rotatable red-LED display with large digits stays clear in daylight or darkness.
4.Energy-efficient auto-off circuitry runs ~40 hours on two AAA batteries.
5.Weighs only 40 g; includes lanyard and soft silicone pad for comfortable use by adults or kids.