Parameters: Pressure: 50-280 mmHg Inflatable flow: > 18L/min Cycle cycle: 20-30S Thigh Diameter :64CM Leg sleeve Length :83CM Maximum leg diameter: 75cm Pressure range:60-240土 20Hg Time adjusting range: 0-30min Rate power: ≤30W Widening strip size: 83*12cm Contraindications: Acute inflammatory dermatosis, cardiac insufficiency, acute venous thrombosis, deep thrombophlebitis, pulmonary edema, erysipelas, venous cancer, artificial heart, unstable hypertension. Note for the first boot: 1. Open the bottom of the air pump before starting the first time. 2. Remove the internal fixing bolts (Note: protect the pump core during transportation) 3. After removing the bolts, install the baffle and turn it on.