LCD disply with backlight control. Dual work modes: monitoring spot check. Numeric display with plethysmogram display. Trend review. Pulse-tone modulation (Pitch Tone). Powerful data storage capacity (up to 300 hours). PatientCare View software for PC data management. 4 x AA batteries for up to 48 hours of work. Rechargeable battery for up to 30 hours of work. Optional battery charger stand. Automatic power-off function for poewr saving. Suitable for feline, canine and other animal.s