Fingertip Pulse Oximeter Technical Features pi* Atrial Google Play - Anti-natural light interference - Work well under weak perfusion index - One-touch operation - Lower consumption - Lower voltage reminder - Support communication protocol - Battery type: two 1.5V AAA alkaline batteries Measurement range: 0%-100% Accuracy: ±2% (70%-100%) - Pulse rate: Measurement range: 25 - 250bpm Accuracy: ±2bpm - Free APP: Berry Smart Health Package Content Optional Function Box size(mm) | Carton size(mm) iPcs/Ctn Kgs/Ctn Fingertip Pulse Oximeter - Anti-natural light interference - Work well under weak perfusion index - One-touch operation - Lower consumption - Battery type: two 1.5V AAA alkaline batteries Measurement range: 0%-100% Accuracy: ±2% (70%-100%) - Pulse rate: Measurement range: 25-250bpm Accuracy: ±2bpm Package Content