The product includes a precision air exhaust valve with fine adjustment. The microfilter protects the air exhaust valve and the measuring system. The diaphragm can be pressurized up to 600 mmHg. It has an ABS housing. The sphygmomanometer is easy to read. It has a plug-in connection to the top of the manometer for easy use. In addition, it has a vinyl case with zipper. There is a wide variety of sleeves with different sizes and versions. The box colors are slab gray, blue, saffron and green.