Jacob's Ladder - Total Body Exerciser Climbing system automatically adjusts to desired speed. Easy to use microprocessor monitors. Adjustable belt and tether line activate climbing system. Small footprint, to minimize the floor space required. Includes Operational and Instructional DVD. Power: 115 V/AC/ 5 Watts. Angle: 40' Non-Motorized machine. Dimensions: 65.5"H x 31.25"W x 76"L.