A100S Desktop Fetal Doppler is a Desktop Fetal Doppler with OLED display,Website:http://www.aeonmmed.com, which is designed for clinic and small hospital. It is a lightweight and space-saving Desktop Fetal Doppler, which can be operated at bedside and acted as handset. It is designed for use in the antepartum applications.Features:OLED display indicates FHR as numeral, trend diagram and outputs fetal heart sound.Patented acoustic design enhanced vivid sound.6 Modes: FHR mode, Curve mode, Replay mode, Average FHR mode, Manual Count mode,Countdown mode.36 Hours FHR data storagement and Replay function. High Sensitive 2.5 MHz Doppler probe, accurate FHR detection.Date and time can be displayed.Built-in rechargeable battery for 12 hours continuous work Audible tune is enabled when FHR runs beyond normal FHR limit range.Medical-use switch power supply guarantee 50,000hrs working life. Package:Dimension: 280mm(L) × 148mm(W) × 200mm(H)Net Weight: 1.5 kgOuter box Dimension: 330mm (L)×250mm (W)×260mm (H)Gross weight: 3.2kg Warranty:  2 years (probe excluded)