¥ EDAN Hand Held Pulse Oximeter with LCD Display¥ RTC (real time clock) display¥ Backlight control and automatic power-off function for power saving¥ Sp02 and Pulse rate measurement¥ Display numeric and waveform of Sp02 simultaneously¥ Up to 50 hours on 4 ""AAA"" batteries¥ Powerful data storage capacity¥ Data can be transferred to PC for storage, review and printing¥ The latest 10 minutes trend graph of Sp02 and Pulse Rate can be reviewed in screen¥ Pulse Tone¥ Audible and visible alarm capability¥ SPO2 Disposable sensor for neonate & infant also available if required at extra cost.Edan Hand Held Pulse Oximeter Includes:¥ Adult SPo2 Probe¥ (4) AAA batteries¥ Carry Case¥ User Manual¥ H100B Quick Reference¥ Warranty - 1 year