About this item 【ADJUSTABLE FIVE SPEED DUMBBELL】5 in 1 adjustable dumbbell with 11/22/33/44/55LB weight option in the dumbbell. Switch effortlessly between different weight for a diverse workout experience, catering to all fitness levels, from beginners to advanced. 【1-SECOND WEIGHT CHANGE】Spin easily with one hand, you can choose the preferred weight in 1 second.Unique weight adjustment design, enjoy more convenient adjustment experience to get better training efficiency. 【ENHANCED SAFETY MESURES】Adjustable dumbbell is equipped with a special safety locking mechanism. The handle and dumbbell plate are securely fastened together using eight locking notches, providing utmost stability and ensuring the dumbbell remains secure throughout your workout. 【SAVE HOME GYM SPACE】Adjustable dumbbell are compact designed to save 80% storage space. Easy to use and store to meet your diverse needs. 【MORE COST-EFFECTIVE】Compared to traditional dumbbells, adjustable dumbbell are more cost-effective. With just one adjustable dumbbell, you can do full-body workouts at home.