Type: Muscle Trainer Size: 48.6*20cm(Abdominal Muscle Trainer), 20*7cm(Arm Muscle Trainer) Note: 1.Don't use it simultaneously with the following medical electronic equipment: 1) Heart Rate Regulators, etc. Transplanting Medical Electronic Devices. 2) Life-supporting medical electronic devices such as artificial heart and lung. 3) ECG scanners and other electronic medical devices. 2.Don't use it while sleeping. 3.Don't use it more than twice a day. 4.The maximum usage should not exceed 30 minutes each. 5.The gel is consumable and replaceable. When you peel the gel pad off your body for about 20 times, you need to stop using it. 6.The following people are NOT allowed to use the product, otherwise it may cause accidents: 1) People who are allergic to hydrogel pad. 2) Patients who are not allowed to do any strenuous exercise. 3) Women who are pregnant or give birth to babies recently. Package Included: 1 * Abdominal Muscle Trainer 1 * User Manual 2 * Arm/Leg Muscle Trainer 3 * Main Machine Controller 1 * USB Cable