Meets advertised claims: 5 of 5Claim: Helps to improve your power of abs. Muscle groups workout together when you are using the ab machine. Movements you put on the machine can effectively protect your back.TRUE. This machine does offer a work out of the abs and core muscles in a manner that does not put much strain on the back.Claim: Outstanding Stability &Durability: Max load up weight at 200LBS, Fitnzoby adjustable abdominal Trainers constructed of premium steel, advanced knee pads and foam covered handle supporting by triangular design that hugely increased its stability. And also improves the efficiency of exercise, make fitness more safety for customers.TRUE. The machine is stable and built of quality durable metal tubing and strong metal hardware. No deformation or flex was noted while using this machine by adults.Claim: Four Levels of Height Adjustable: For people at different age and height.TRUE there are four positions that can be adjusted making this machine fit a wide range of heights comfortably.Claim: Digital LCD Display: The LCD display shows the time of exercise, the heart rate of your body during exercise, and the calories you consumed, which helps customer to make better exercise plan.TRUE. The LCD display does track time, heart rate and calories consumed. These data sets can be used to improve exercise plans.Claim: 5 Minutes Installation: The foldable ab machine is designed simple and easy to assemble by following the user manual, easy to store and carry anywhere you want. Lifetime replacement service for our customer, 24 hours online customer help supported.TRUE. This machine was very easy to assemble. The initial assembly took less than five minutes. It folds for easy storage and is easy to move.Summary: At the time of this review this machine was offered at $118 with a 20% off coupon making the final price $94.40 before taxes. It is possible to find similar machines on Amazon for a bit less but they do not offer a LCD screen with the same data, as much adjustability or fold down to store as easily, no other machine was found for less price at the time of this review offering the same features as this machine. The combination of being an excellent value, robust materials and design as well as great features make this machine a five star product.