Model: EH-767 Input voltage: AC 220V/50HZ Power: 4KW (2KW + 2KW) Ball diameter: 4CM Machine net weight: 7.5KG Machine size: 460x455x170MM Packing size: 55x53x27CM. We are a professional worldwide wholesale company, with our own factory located in China. We will reply your message within 24 hours Mon-Sat, and 48 hours on Sunday. Feedback is very important to us. I will do my best to solve the problem, thanks!