【Easy to Install】Remove the original joint and insert it into the new cuff. Application: Digital Upper Arm Blood Pressure Monitor. 【What's in the Box】cuff only,Bp monitor is not included. 【Compatibility】:6 different types of connectors(4mm/0.16in, 4.6mm/0.18in, 5mm/0.2in, 6mm/0.24in, 7mm/0.28in, 11.3mm/0.445) are compatible with almost all blood pressure monitors.