The Hand Strengthener allows you to do a leisure-time workout at home or in the office.Features:1. Perfect strength trainer for hands, fingers, and wrists.2. Widely used for fitness enthusiasts, golfers, tennis players, baseball players, musicians, and mountaineers.3. Designed with a counter at the bottom for you to understand the training progress and results.4. Ideal for enhancing strength and flexibility in the forearm, wrist, finger, hand, and muscle exercises.Specifications:Product Name: Grip Strength TrainerMaterial: ABS / PVCPower supply mode: 1 piece of LR44 button battery ( not included )Product size: about 140*108*32mmGrip Strength: about 10kgThree Modes: Timing mode / calorie mode / accumulation modecolor:blue+blackPacking List:1* Hand Grip StrengthenerNotes:1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.2. Due to manual measurement, there is a tolerance in the product size.