Foot & Calf Massager (3). Various Massage Modes & Intensity Levels Customize your at-home massage by adjusting the massage modes and their intensity levels with 2 kneading intensities, 3 pressure intensities, 2 vibration intensities, and 2 heating intensities, you can choose a perfect setting of this foot massager spa for a soothing massage as needed 15min / 30min auto-off timer ensures safe use when you fall asleep during the operation.