Product Name: March Expo FDA Ce Approved Contec Cms50d OLED Display Finger Pulse Oximeter Model NO.: LY-L12 Certification: CE, FDA, TUV Group: Middle-aged and Old Type: Human Health Analyzer Customized: Non-Customized Nature: No Usage Mode: For External Use Cold Hot Dressing Application: Blood Pressure Monitor Accuracy: 70%~100% +-2% Certificate: Ce/FDA/RoHS/TUV After-Sale Service: Repair and Replacement Testing data: SpO2,Pulse Rate ,Bar Graph , Pulse Waveform Displa Battery: 2 AAA Battery Display Type: 1.5""LED Display Pr Declared Accuracy: 30-250bpm Trademark: LY-L12 Transport Package: Carton 51*32*26cm Specification: Dimension: 56*31.5*33.5mm / 26.5g Origin: China HS Code: 9018909000 Product Description Fingertip Pulse OximeterModel:LY-L12Certificate:CE/TUV0.96" Dual Color OLED Display:Sp02,PR,Wave Form,Purlse Bar Graph,Battery IndicatorDimension:56mm(L)×31.5(W)×33.5(H) /26.5g* SpO2 Accuracy:70%-99%(± 2%)* Pulse rate(PR):30bpm~250bpm(± 3 bpm)* Fast Results in 5 seconds and 10seconds Auto-shutdown* Rotatable multidirectional display. 4 directions* Customized Set the alarm data* Power:2 AAA battery (the offer does not include in the box)Accessories1)a hanging rope2)a user manual