Specifications:- Each Overall Dimension(HxDia.): 3 3/4"" x 2 11/16"" (9.5 x 6.9 cm)- Connector Diameter: 1/4"" (6.35 mm)- Total Net weight: 5.6 Lbs (2.54 kg). Package Contents:- 10x Arrays. Notice: - Please note that diabetics, people with heart or circulation problems, pregnant women, people suffering from any problems with legs or feet such as varicose veins, organ transplant recipients and children younger than 8 years old must consult their health care practitioner before using this product.