Sold Massage device * Works with 220 electricity only * The massage intensity can be increased via the silver indicator as shown in the pictures Lo Hi * The massage with medium heat can be added when the red light is on as shown in the video * The toothed cover can be used if you want to change the intensity, precision, or according to the purpose of the massage * The upper part can be used alone as shown in the video if you want to massage in small or precise areas * Brand name: beurer