There are two motors installed, one hub motor in each foot. I found the technical specifications at TecTake.ch, where the table costs less, by the way:
Product details Total dimensions maximum (WxDxH): approx. 190 x 68 x 123 cm Total dimensions minimum (WxDxH): approx. 110 x 68 x 58 cm Suitable for table tops (WxD): approx. 120 x 60 to 200 x 80 cm Main column (WxD): approx. 7 x 7 cm Extendable columns: 2 Support plate (WxD): approx. 3.2 x 58 cm Foot (WxD): approx. 9 x 68 cm Electric motors: 2 (<50 dB) Lifting speed: 38 mm/s Power (1 motor): 40 W Input voltage: 100 - 240 V Cable length: approx. 300 cm Load capacity: 125 kg Weight: approx. 31 kg Material: powder-coated steel