Main Feature 1. Unique and nasal tube respiration measurement. Accurate respiration rate and wave only can be achieved by nasal tube respiration when patient can not repose completely. 2.Streamline outward appearance design, High-lightness LED digital tube display 3.Easy operation with rotated mouse 4.Low power design, rechargeable high-energy built-in battery. 5.Fast and accurate measurement of blood pressure, a function of venous-puncture 6.Using advance Analog technology, accurately measure the Spo2 in low perfusion situation. 7.Audible & visual alarm available and alarm limits are adjustable. 8.Suitable for adults, pediatrics, neonates