Attractive and innovative design is available in 2 versions. Teide, the analog version, allows adjustment of the vibration frequency (50–100 Hz) and the power. Teide Cima, the digital version, provides 5 different vibration choices, along with a timer and an electronic control of the vibration power. Made of steel plate. 115V.7-3/4"H x 10-1/2"W x 9"D