1. beauty machine 3 in 1 2. Skin tightening, skin lifting, improves flexibility and ... you should be after trained to use the product for the treatment. We have user manual, DVD and ... , if you send back the equipment for repair, we will be responsible for the repair, including the changes of ... but we quire for the cost of the changed parts, not for manual cost.4. No responsibility for man-made destroy.5 ...