Specification: Item Type: Breast Massager Material: ABS Optional Type: EU Plug 110-240V, US Plug 110-240V, UK Plug 110-240V, AU Plug 110-240V Rated Voltage: 100V-240V Operating Frequency: 60Hz/50Hz Operating Power: 90W Size: Approx. 27 * 27 * 32cm / 10.6 * 10.6 * 12.6in Package list: 24 * Cups 3 * Negative Pressure Heads 3 * Connecting Line 1 * Breast Massager 1 * Instruction 1 * Adaptor Notes: 1. If found abnormal pressure, must stop working immediately. 2. When turning off the machine, remove the cup before turning off the machine. 3. When using, first with the hand of the suction hole, see if there is suction. 4. When you suck, you may suck one side first, then the other side, and then you suck both sides at the same time. 5. Use 1-3 weeks, the breast surface will appear dark red is normal phenomenon, about half an hour later will return to normal. 6. Pregnant women with heart disease, breast lesions, hypertension, hypotension and pregnancy of more than one month should be prohibited from using this device. 7. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.