Come and see our amazing products. The Fingertip Pulse Oximeter monitor fits all finger sizes from kids above four years old to adults as it measures the level of oxygen in the blood and reads the pulse rate in just eight to ten seconds. It is crucial to use the device in a stationary position and not while in motion for precise readings. SpO2 and Pulse Rate are graphed on the bright LED display. The oximeter automatically powers off when not in use and delivers up to 24 continuous hours of battery life. The price includes the shipping cost to ca, QTY over 3000pcs by ocean. 100% guarantee for quality. Rush service is available. We are GLAD to get SINGLE PIECE ORDER. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.