Avari by Stamina A400-300 Programmable Stepper

Smaller but just as tough as the commercial version sold into health clubs
Climbing stairs is one of the most efficient and effective cardio and strength workouts
Step range of 26 to 162 steps per minute

Driver chips: L298N dual H-bridge DC motor driver chip.
Logical part of the operating current range: 0 ~ 36mA.
Maximum Power Consumption: 20W ( at 75 deg C).

Electronic stair stepper that takes up a less than 3 square feet of space
Small enough to fit in a corner, in front of the TV, or in a travel bag
2 hydraulic cylinders create stepping motion to boost cardio

Basic training for indoor mountain climbing
Great low-impact, calorie burning, cardiovascular workout
Display features Calories, Scan, Timer, Count