Sell Yonker Pulse Oximeter YK-81A best price

Yonker Fingertip Pulse Oximeter YK-81A Display: Type: OLED display Parameters: SpO2,PR, waveform, Pulse bar Features: Color: Blue or Purple OLED display,show the six different display mode Low-power consumption,continuously work for more than six hours with two AAA batteries Low voltage indicator In the absence of signals,the product will be in after 8 seconds to enter atandby state Small in volume,light in weight,and convenient to carry Instrument has 5s automatic signal detection function,when you insert finger,timely will automatically start;Automatic startup function instrument(applicable to Automatic startup function instrument) Dimension: 58mm*36mm*33mm Weight(without battery): 28g Power Requirements: 2pcs AAA-size alkaline batteries Environment Requirements： Operation Temperature：5~40℃ Storage Temperature：-10~+40℃ Ambient Humidity：15~80％ on operation 10~80％ instorage Atmosphere pressure：86kPa~106kPa