Feature:1. Electronic Hand Dynamometer: User parameters, measurement and exercise mode settings, set user information and target grip value before use, and automatically grab the maximum strength value.2. LED Display: The electronic hand dynamometer has LED display that is easy to read and shows your results in clear detail.3. Accurate Measurement: Using sophisticated production technology, accurate measurement, simple operation, easy to use.4. Adjustable Grip Distance: Adjustable grip distance, to meet the use of different people, relieve muscle fatigue, exercise palm strength.5. Uses: Can be used for entertainment between classes, exam exercise, daily fitness, rehabilitation training, office games, fitness for the elderly, etc.Specification:Item Type: Electronic Hand DynamometerMaterial: ABSBuilt in Battery: Li Ion Battery 300mahScope of Application: It Can Be Used for Entertainment Between Classes, Pre Exam Exercise, Daily Fitness, Rehabilitation Training, Office Games, Fitness for the Elderly, Etc..Package List:1 xElectronic Hand Dynamometer1 x USB Cable1 x User Manual