No details.
Technical Features Display SpO 2 , PR - Anti-natural light interference - Battery Type: Two 1.5v AAA alkaline batteries - Working Voltage: DC 2.2V ~ DC 3.4V - SpO 2 : Measurement range: 35% - 100% Accuracy: ±2% (80% - 100%)；±3% (70% - 79%) - Pulse Rate: Measurement range: 25 - 250bpm Accuracy: ±2bpm - CE, ISO13485, RoHS Size：63(L)x34(W)x30(D)mm
-200Pcs/Carton -Carton Size: 470(L)x470(W)x380(D)mm
