Bout this item BT-350 LCD – displays trace and numbers. Stored data can be reviewed afterward. CTG Analysis* – calculates important data such as baseline, Acceleration, Deceleration, fetal movement. Cross Channel Verification – prevent the FHR is miscalculated by twin fetus by an alarm. Multi-Language Support* – 13 languages including English, Chinese, Spanish, German, Russian, Portuguese BT-350 LED – displays numbers only. A large and bright LED is visible from a distance. Various Paper Selection – BT-350 can use two most usual papers in the market (30-240bpm / 50-210bpmUSB Data Save – FHR and UC trend data can be exported to USB memory stick and it can be managed by BCM-350 Central Monitoring Software Waterproof probe – All probes are waterproof and ready for a water birth (IPX8). Offset DOP2 FHR – This function makes DOP2 FHR 20 bpm higher to enhance DOP2 trend easy to read. Acoustic Stimulator* – Stimulate sleeping fetus to speed up the test or to facilitate further evaluation of the non-stress test (NST). Zoom-in Function – Enlarge FHR graph scale on the paper to examine the trend with more dynamics by focusing FHR range to the most frequent area